349 lines
18 KiB
JSON
349 lines
18 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.1",
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"cveMetadata": {
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"cveId": "CVE-2023-44186",
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"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
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"state": "PUBLISHED",
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"assignerShortName": "juniper",
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"dateReserved": "2023-09-26T19:30:27.953Z",
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"datePublished": "2023-10-11T20:08:26.308Z",
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"dateUpdated": "2024-12-03T14:49:41.755Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"defaultStatus": "unaffected",
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"platforms": [
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"MX Series",
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"PTX Series",
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"ACX Series",
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"EX Series",
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"QFX Series"
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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": "20.4R3-S8",
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"status": "affected",
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"version": "0",
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"versionType": "semver"
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},
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{
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"lessThan": "21.1*",
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"status": "affected",
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"version": "21.1R1",
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"versionType": "semver"
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},
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{
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"lessThan": "21.2R3-S6",
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"status": "affected",
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"version": "21.2",
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"versionType": "semver"
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},
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{
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"lessThan": "21.3R3-S5",
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"status": "affected",
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"version": "21.3",
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"versionType": "semver"
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},
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{
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"lessThan": "21.4R3-S5",
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"status": "affected",
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"version": "21.4",
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"versionType": "semver"
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},
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{
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"lessThan": "22.1R3-S4",
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"status": "affected",
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"version": "22.1",
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"versionType": "semver"
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},
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{
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"lessThan": "22.2R3-S2",
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"status": "affected",
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"version": "22.2",
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"versionType": "semver"
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},
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{
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"lessThan": "22.3R2-S2, 22.3R3-S1",
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"status": "affected",
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"version": "22.3",
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"versionType": "semver"
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},
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{
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"lessThan": "22.4R2-S1, 22.4R3",
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"status": "affected",
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"version": "22.4",
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"versionType": "semver"
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}
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]
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},
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{
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"defaultStatus": "unaffected",
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"platforms": [
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"PTX Series",
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"ACX Series",
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"QFX Series"
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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": "20.4R3-S8-EVO",
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"status": "affected",
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"version": "0",
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"versionType": "semver"
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},
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{
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"lessThan": "21.1*-EVO",
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"status": "affected",
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"version": "21.1",
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"versionType": "semver"
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},
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{
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"lessThan": "21.2R3-S6-EVO",
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"status": "affected",
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"version": "21.2",
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"versionType": "semver"
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},
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{
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"lessThan": "21.3R3-S5-EVO",
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"status": "affected",
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"version": "21.3",
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"versionType": "semver"
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},
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{
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"lessThan": "21.4R3-S5-EVO",
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"status": "affected",
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"version": "21.4",
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"versionType": "semver"
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},
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{
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"lessThan": "22.1R3-S4-EVO",
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"status": "affected",
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"version": "22.1",
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"versionType": "semver"
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},
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{
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"lessThan": "22.2R3-S2-EVO",
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"status": "affected",
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"version": "22.2",
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"versionType": "semver"
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},
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{
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"lessThan": "22.3R2-S2-EVO, 22.3R3-S1-EVO",
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"status": "affected",
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"version": "22.3",
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"versionType": "semver"
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},
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{
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"lessThan": "22.4R2-S1-EVO, 22.4R3-EVO",
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"status": "affected",
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"version": "22.4",
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"versionType": "semver"
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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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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>Nonstop Active Routing is enabled using the following configuration:</p> <tt>[edit chassis redundancy]<br></tt><tt>graceful-switchover;<br></tt><tt><br>[edit routing-options]<br></tt><tt>nonstop-routing;</tt>"
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}
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],
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"value": "Nonstop Active Routing is enabled using the following configuration:\n\n [edit chassis redundancy]\ngraceful-switchover;\n\n[edit routing-options]\nnonstop-routing;"
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}
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],
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"datePublic": "2023-10-11T16:00:00.000Z",
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "\n\n<p>An Improper Handling of Exceptional Conditions vulnerability in AS PATH processing of Juniper Networks Junos OS and Junos OS Evolved allows an attacker to send a BGP update message with an AS PATH containing a large number of 4-byte ASes, leading to a Denial of Service (DoS). Continued receipt and processing of these BGP updates will create a sustained Denial of Service (DoS) condition.</p><p>This issue is hit when the router has Non-Stop Routing (NSR) enabled, has a non-4-byte-AS capable BGP neighbor, receives a BGP update message with a prefix that includes a long AS PATH containing large number of 4-byte ASes, and has to advertise the prefix towards the non-4-byte-AS capable BGP neighbor.</p>Note: NSR is not supported on the SRX Series and is therefore not affected by this vulnerability.<br><p>This issue affects:</p><p>Juniper Networks Junos OS:</p><p></p><ul><li>All versions prior to 20.4R3-S8;</li><li>21.1 versions 21.1R1 and later;</li><li>21.2 versions prior to 21.2R3-S6;</li><li>21.3 versions prior to 21.3R3-S5;</li><li>21.4 versions prior to 21.4R3-S5;</li><li>22.1 versions prior to 22.1R3-S4;</li><li>22.2 versions prior to 22.2R3-S2;</li><li>22.3 versions prior to 22.3R2-S2, 22.3R3-S1;</li><li>22.4 versions prior to 22.4R2-S1, 22.4R3.</li></ul><p></p><p>Juniper Networks Junos OS Evolved</p><p></p><ul><li>All versions prior to 20.4R3-S8-EVO;</li><li>21.1 versions 21.1R1-EVO and later;</li><li>21.2 versions prior to 21.2R3-S6-EVO;</li><li>21.3 versions prior to 21.3R3-S5-EVO;</li><li>21.4 versions prior to 21.4R3-S5-EVO;</li><li>22.1 versions prior to 22.1R3-S4-EVO;</li><li>22.2 versions prior to 22.2R3-S2-EVO;</li><li>22.3 versions prior to 22.3R2-S2-EVO, 22.3R3-S1-EVO;</li><li>22.4 versions prior to 22.4R2-S1-EVO, 22.4R3-EVO.</li></ul><p></p>\n\n"
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}
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],
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"value": "\nAn Improper Handling of Exceptional Conditions vulnerability in AS PATH processing of Juniper Networks Junos OS and Junos OS Evolved allows an attacker to send a BGP update message with an AS PATH containing a large number of 4-byte ASes, leading to a Denial of Service (DoS). Continued receipt and processing of these BGP updates will create a sustained Denial of Service (DoS) condition.\n\nThis issue is hit when the router has Non-Stop Routing (NSR) enabled, has a non-4-byte-AS capable BGP neighbor, receives a BGP update message with a prefix that includes a long AS PATH containing large number of 4-byte ASes, and has to advertise the prefix towards the non-4-byte-AS capable BGP neighbor.\n\nNote: NSR is not supported on the SRX Series and is therefore not affected by this vulnerability.\nThis issue affects:\n\nJuniper Networks Junos OS:\n\n\n\n * All versions prior to 20.4R3-S8;\n * 21.1 versions 21.1R1 and later;\n * 21.2 versions prior to 21.2R3-S6;\n * 21.3 versions prior to 21.3R3-S5;\n * 21.4 versions prior to 21.4R3-S5;\n * 22.1 versions prior to 22.1R3-S4;\n * 22.2 versions prior to 22.2R3-S2;\n * 22.3 versions prior to 22.3R2-S2, 22.3R3-S1;\n * 22.4 versions prior to 22.4R2-S1, 22.4R3.\n\n\n\n\nJuniper Networks Junos OS Evolved\n\n\n\n * All versions prior to 20.4R3-S8-EVO;\n * 21.1 versions 21.1R1-EVO and later;\n * 21.2 versions prior to 21.2R3-S6-EVO;\n * 21.3 versions prior to 21.3R3-S5-EVO;\n * 21.4 versions prior to 21.4R3-S5-EVO;\n * 22.1 versions prior to 22.1R3-S4-EVO;\n * 22.2 versions prior to 22.2R3-S2-EVO;\n * 22.3 versions prior to 22.3R2-S2-EVO, 22.3R3-S1-EVO;\n * 22.4 versions prior to 22.4R2-S1-EVO, 22.4R3-EVO.\n\n\n\n\n\n\n"
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}
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],
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"exploits": [
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{
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>Juniper SIRT is not aware of any malicious exploitation of this vulnerability.</p>"
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}
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],
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"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\n\n"
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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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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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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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"descriptions": [
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{
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"description": "Denial of Service (DoS)",
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"lang": "en"
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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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"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
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"shortName": "juniper",
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"dateUpdated": "2024-03-05T23:07:57.356Z"
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},
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"references": [
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{
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"tags": [
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"vendor-advisory"
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],
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"url": "https://supportportal.juniper.net/JSA73150"
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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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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>The following software releases have been updated to resolve this specific issue: </p><p>Junos OS: 20.4R3-S8, 21.2R3-S6, 21.3R3-S5, 21.4R3-S5, 22.1R3-S4, 22.2R3-S2, 22.3R2-S2, 22.3R3-S1, 22.4R2-S1, 22.4R3, 23.2R1, and all subsequent releases.</p><p>Junos OS Evolved: 20.4R3-S8-EVO, 21.2R3-S6-EVO, 21.3R3-S5-EVO, 21.4R3-S5-EVO, 22.1R3-S4-EVO, 22.2R3-S2-EVO, 22.3R2-S2-EVO, 22.3R3-S1-EVO, 22.4R2-S1-EVO, 22.4R3-EVO, 23.2R1-EVO, and all subsequent releases.</p>"
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}
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],
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"value": "The following software releases have been updated to resolve this specific issue: \n\nJunos OS: 20.4R3-S8, 21.2R3-S6, 21.3R3-S5, 21.4R3-S5, 22.1R3-S4, 22.2R3-S2, 22.3R2-S2, 22.3R3-S1, 22.4R2-S1, 22.4R3, 23.2R1, and all subsequent releases.\n\nJunos OS Evolved: 20.4R3-S8-EVO, 21.2R3-S6-EVO, 21.3R3-S5-EVO, 21.4R3-S5-EVO, 22.1R3-S4-EVO, 22.2R3-S2-EVO, 22.3R2-S2-EVO, 22.3R3-S1-EVO, 22.4R2-S1-EVO, 22.4R3-EVO, 23.2R1-EVO, and all subsequent releases.\n\n"
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}
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],
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"source": {
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"advisory": "JSA73150",
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"defect": [
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"1736029"
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],
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"discovery": "EXTERNAL"
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},
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"timeline": [
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{
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"lang": "en",
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"time": "2023-10-11T16:00:00.000Z",
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"value": "Initial Publication"
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},
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{
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"lang": "en",
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"time": "2023-10-16T16:00:00.000Z",
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"value": "Added specific platforms affected and unaffected"
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},
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{
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"lang": "en",
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"time": "2024-03-05T17:00:00.000Z",
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"value": "Updated affected/fixed releases to convey that 23.2R1 and all subsequent releases are fixed."
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}
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],
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"title": "Junos OS and Junos OS Evolved: RPD crash when attempting to send a very long AS PATH to a non-4-byte-AS capable BGP neighbor",
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"workarounds": [
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{
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"lang": "en",
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"value": "Current operational and security best practices, such as limiting the AS PATH length, should mitigate risk of this issue.\n\nBelow is an example configuration to limit AS PATH to 30 entries:\n\nset groups BASE-POLICY policy-options policy-statement MaxAS-Limit-30 term more-than-30 from protocol bgp\nset groups BASE-POLICY policy-options policy-statement MaxAS-Limit-30 term more-than-30 from as-path 31as\nset groups BASE-POLICY policy-options policy-statement MaxAS-Limit-30 term more-than-30 then reject\nset groups BASE-POLICY policy-options policy-statement MaxAS-Limit-30 then accept\nset groups BASE-POLICY policy-options policy-statement Customer-IN term MaxAS-Limit from policy MaxAS-Limit-30\nset groups BASE-BGP protocols bgp group <*-CUSTOMER> import Customer-IN\nset groups BASE-PREFIX-LISTS policy-options as-path 31as \".{31,}\""
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}
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],
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"adp": [
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-02T19:59:51.607Z"
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},
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"title": "CVE Program Container",
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"references": [
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"tags": [
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"vendor-advisory",
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"url": "https://supportportal.juniper.net/JSA73150"
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2024-03-06T16:45:50.764805Z",
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"id": "CVE-2023-44186",
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"options": [
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{
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"Exploitation": "none"
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"Automatable": "yes"
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"Technical Impact": "partial"
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"version": "2.0.3"
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}
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}
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"title": "CISA ADP Vulnrichment",
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"dateUpdated": "2024-12-03T14:49:41.755Z"
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} |