399 lines
21 KiB
JSON
399 lines
21 KiB
JSON
{
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"containers": {
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"cna": {
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"affected": [
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{
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"product": "Junos OS",
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"vendor": "Juniper Networks",
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"versions": [
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{
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"lessThan": "19.3R3-S2",
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"status": "unaffected",
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"version": "unspecified",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "19.3R3-S2"
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},
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{
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"status": "affected",
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"version": "19.4R3-S3"
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},
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{
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"lessThan": "20.1*",
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"status": "unaffected",
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"version": "20.1R1",
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"versionType": "custom"
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},
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{
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"changes": [
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{
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"at": "20.2R3-S2",
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"status": "unaffected"
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}
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],
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"lessThan": "20.2R2-S3",
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"status": "unaffected",
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"version": "20.2",
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"versionType": "custom"
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},
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{
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"changes": [
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{
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"at": "20.3R3",
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"status": "unaffected"
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}
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],
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"lessThan": "20.3R2",
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"status": "unaffected",
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"version": "20.3",
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"versionType": "custom"
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},
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{
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"changes": [
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{
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"at": "20.4R3",
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"status": "unaffected"
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}
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],
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"lessThan": "20.4R2",
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"status": "unaffected",
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"version": "20.4",
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"versionType": "custom"
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},
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{
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"lessThan": "21.1R2",
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"status": "affected",
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"version": "21.1",
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"versionType": "custom"
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}
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]
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},
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{
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"product": "Junos OS Evolved",
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"vendor": "Juniper Networks",
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"versions": [
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{
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"lessThan": "20.4R2-S3-EVO, 20.4R3-EVO",
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"status": "affected",
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"version": "unspecified",
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"versionType": "custom"
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},
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{
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"lessThan": "21.1R2-EVO",
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"status": "affected",
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"version": "21.1-EVO",
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"versionType": "custom"
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},
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{
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"lessThan": "21.2R2-EVO",
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"status": "affected",
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"version": "21.2-EVO",
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"versionType": "custom"
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}
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]
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}
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],
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"configurations": [
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{
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"lang": "en",
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"value": "This issue can occur when multipath is enabled:\n\n routing-instance <vrf> routing-options multipath\n\nand one of the following two TTL propagation options (but not both) are enabled:\n\n protocols mpls no-propagate-ttl\n routing-instance <vrf> no-vrf-propagate-ttl"
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}
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],
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"datePublic": "2021-10-13T00:00:00.000Z",
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"descriptions": [
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{
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"lang": "en",
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"value": "An Improper Handling of Exceptional Conditions vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an attacker to inject a specific BGP update, causing the routing protocol daemon (RPD) to crash and restart, leading to a Denial of Service (DoS). Continued receipt and processing of the BGP update will create a sustained Denial of Service (DoS) condition. This issue affects very specific versions of Juniper Networks Junos OS: 19.3R3-S2; 19.4R3-S3; 20.2 versions 20.2R2-S3 and later, prior to 20.2R3-S2; 20.3 versions 20.3R2 and later, prior to 20.3R3; 20.4 versions 20.4R2 and later, prior to 20.4R3; 21.1 versions prior to 21.1R2. Juniper Networks Junos OS 20.1 is not affected by this issue. This issue also affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R2-S3-EVO, 20.4R3-EVO; 21.1-EVO versions prior to 21.1R2-EVO; 21.2-EVO versions prior to 21.2R2-EVO."
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}
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],
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"exploits": [
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{
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"lang": "en",
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"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 7.5,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"version": "3.1"
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-755",
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"description": "CWE-755 Improper Handling of Exceptional Conditions",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"providerMetadata": {
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"dateUpdated": "2021-10-19T18:16:34.000Z",
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"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
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"shortName": "juniper"
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},
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"references": [
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{
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://kb.juniper.net/JSA11218"
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}
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],
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"solutions": [
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{
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"lang": "en",
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"value": "The following software releases have been updated to resolve this specific issue: \n\nJunos OS 18.4R2-S9, 19.1R3-S7, 19.3R3-S3, 19.4R1-S4, 19.4R3-S4, 20.1R3, 20.2R3-S2, 20.3R3, 20.4R3, 21.1R2, 21.2R1, 21.2R2, 21.3R1, and all subsequent releases.\n\nJunos OS Evolved 20.4R2-S3-EVO, 20.4R3-EVO, 21.1R2-EVO, 21.2R2-EVO, 21.3R1-EVO, and all subsequent releases.\n\nNote: Only those releases listed in the PROBLEM section above are affected. This fix has also been proactively committed into other releases that are not vulnerable to this issue."
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}
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],
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"source": {
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"advisory": "JSA11218",
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"defect": [
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"1595165"
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],
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"discovery": "USER"
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},
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"title": "Junos OS and Junos OS Evolved: RPD core upon receipt of specific BGP update",
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"workarounds": [
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{
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"lang": "en",
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"value": "This issue can be mitigated in two ways:\n\n1) ensure that TTL propagation is either enabled or disabled in both places below:\n protocols mpls no-propagate-ttl\n routing-instance <vrf> no-vrf-propagate-ttl\n\n2) Disable multipath:\n routing-instance <vrf> routing-options multipath"
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}
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],
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"x_generator": {
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"engine": "Vulnogram 0.0.9"
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},
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"x_legacyV4Record": {
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"CVE_data_meta": {
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"ASSIGNER": "sirt@juniper.net",
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"DATE_PUBLIC": "2021-10-13T16:00:00.000Z",
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"ID": "CVE-2021-31353",
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"STATE": "PUBLIC",
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"TITLE": "Junos OS and Junos OS Evolved: RPD core upon receipt of specific BGP update"
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"product": {
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"product_data": [
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{
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"product_name": "Junos OS",
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"version": {
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"version_data": [
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{
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"version_affected": "!<",
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"version_value": "19.3R3-S2"
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},
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{
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"version_affected": "=",
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"version_value": "19.3R3-S2"
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},
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{
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"version_affected": "=",
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"version_value": "19.4R3-S3"
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},
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{
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"version_affected": "!>=",
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"version_name": "20.1",
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"version_value": "20.1R1"
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},
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{
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"version_affected": "!<",
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"version_name": "20.2",
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"version_value": "20.2R2-S3"
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},
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{
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"version_affected": "<",
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"version_name": "20.2",
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"version_value": "20.2R3-S2"
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},
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{
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"version_affected": "!<",
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"version_name": "20.3",
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"version_value": "20.3R2"
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},
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{
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"version_affected": "<",
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"version_name": "20.3",
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"version_value": "20.3R3"
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},
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{
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"version_affected": "!<",
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"version_name": "20.4",
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"version_value": "20.4R2"
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},
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{
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"version_affected": "<",
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"version_name": "20.4",
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"version_value": "20.4R3"
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},
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{
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"version_affected": "<",
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"version_name": "21.1",
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"version_value": "21.1R2"
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}
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]
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}
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},
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{
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"product_name": "Junos OS Evolved",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_value": "20.4R2-S3-EVO, 20.4R3-EVO"
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},
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{
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"version_affected": "<",
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"version_name": "21.1-EVO",
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"version_value": "21.1R2-EVO"
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},
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{
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"version_affected": "<",
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"version_name": "21.2-EVO",
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"version_value": "21.2R2-EVO"
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}
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]
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}
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}
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]
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},
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"vendor_name": "Juniper Networks"
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}
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]
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}
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},
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"configuration": [
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{
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"lang": "en",
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"value": "This issue can occur when multipath is enabled:\n\n routing-instance <vrf> routing-options multipath\n\nand one of the following two TTL propagation options (but not both) are enabled:\n\n protocols mpls no-propagate-ttl\n routing-instance <vrf> no-vrf-propagate-ttl"
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}
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],
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"data_format": "MITRE",
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"data_type": "CVE",
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"data_version": "4.0",
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "An Improper Handling of Exceptional Conditions vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an attacker to inject a specific BGP update, causing the routing protocol daemon (RPD) to crash and restart, leading to a Denial of Service (DoS). Continued receipt and processing of the BGP update will create a sustained Denial of Service (DoS) condition. This issue affects very specific versions of Juniper Networks Junos OS: 19.3R3-S2; 19.4R3-S3; 20.2 versions 20.2R2-S3 and later, prior to 20.2R3-S2; 20.3 versions 20.3R2 and later, prior to 20.3R3; 20.4 versions 20.4R2 and later, prior to 20.4R3; 21.1 versions prior to 21.1R2. Juniper Networks Junos OS 20.1 is not affected by this issue. This issue also affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R2-S3-EVO, 20.4R3-EVO; 21.1-EVO versions prior to 21.1R2-EVO; 21.2-EVO versions prior to 21.2R2-EVO."
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}
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]
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},
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"exploit": [
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{
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"lang": "en",
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"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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}
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"generator": {
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"engine": "Vulnogram 0.0.9"
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"impact": {
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"cvss": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 7.5,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"version": "3.1"
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"value": "CWE-755 Improper Handling of Exceptional Conditions"
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},
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"references": {
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"reference_data": [
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{
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"name": "https://kb.juniper.net/JSA11218",
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"refsource": "CONFIRM",
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"url": "https://kb.juniper.net/JSA11218"
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}
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]
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"solution": [
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{
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"lang": "en",
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"value": "The following software releases have been updated to resolve this specific issue: \n\nJunos OS 18.4R2-S9, 19.1R3-S7, 19.3R3-S3, 19.4R1-S4, 19.4R3-S4, 20.1R3, 20.2R3-S2, 20.3R3, 20.4R3, 21.1R2, 21.2R1, 21.2R2, 21.3R1, and all subsequent releases.\n\nJunos OS Evolved 20.4R2-S3-EVO, 20.4R3-EVO, 21.1R2-EVO, 21.2R2-EVO, 21.3R1-EVO, and all subsequent releases.\n\nNote: Only those releases listed in the PROBLEM section above are affected. This fix has also been proactively committed into other releases that are not vulnerable to this issue."
|
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}
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],
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"source": {
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"advisory": "JSA11218",
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"defect": [
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"1595165"
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],
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"discovery": "USER"
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},
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"work_around": [
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{
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"lang": "en",
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"value": "This issue can be mitigated in two ways:\n\n1) ensure that TTL propagation is either enabled or disabled in both places below:\n protocols mpls no-propagate-ttl\n routing-instance <vrf> no-vrf-propagate-ttl\n\n2) Disable multipath:\n routing-instance <vrf> routing-options multipath"
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}
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]
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}
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},
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"adp": [
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{
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-03T22:55:53.456Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"tags": [
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"x_refsource_CONFIRM",
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],
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}
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]
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}
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]
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},
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"cveMetadata": {
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"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
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"assignerShortName": "juniper",
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"cveId": "CVE-2021-31353",
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"datePublished": "2021-10-19T18:16:34.884Z",
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"dateReserved": "2021-04-15T00:00:00.000Z",
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"dateUpdated": "2024-09-16T17:37:46.150Z",
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"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
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