250 lines
12 KiB
JSON
250 lines
12 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": "SRC Series",
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"vendor": "Juniper Networks",
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"versions": [
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{
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"lessThan": "4.13.0-R6",
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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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}
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],
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"configurations": [
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{
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"lang": "en",
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"value": "A sample configuration of NETCONF over SSH is shown below:\n\n netconf {\n ssh {\n port 830;\n }\n }"
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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 Information Exposure vulnerability in Juniper Networks SRC Series devices configured for NETCONF over SSH permits the negotiation of weak ciphers, which could allow a remote attacker to obtain sensitive information. A remote attacker with read and write access to network data could exploit this vulnerability to display plaintext bits from a block of ciphertext and obtain sensitive information. This issue affects all Juniper Networks SRC Series versions prior to 4.13.0-R6."
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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": "NONE",
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"baseScore": 5.3,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "LOW",
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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:L/I:N/A:N",
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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-200",
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"description": "CWE-200 Information Exposure",
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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": "2021-10-19T18:16:33.000Z",
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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/JSA11217"
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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": "A hotfix has been created to resolve this issue. Contact Juniper Networks Technical Support to request the hotfix.\n\nWeak ciphers are now disabled by default. Only the following ciphers and key-exchange (KEX) algorithms are now enabled by default:\n\n• Ciphers: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com\n• KEX Algorithms: curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1\n\nNote: After upgrading to a fixed release, any manually configured weak ciphers or KEX algorithms for NETCONF will be retained. Administrators should reset their cipher configuration by typing:\n root@src# delete system services netconf ssh\n root@src# commit\n Stopping NETCONF/SSH:\n commit complete.\n\n root@src# set system services netconf ssh"
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}
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],
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"source": {
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"advisory": "JSA11217",
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"defect": [
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"1568322"
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],
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"discovery": "INTERNAL"
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},
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"title": "SRC Series: NETCONF over SSH allows negotiation of weak ciphers",
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"workarounds": [
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{
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"lang": "en",
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"value": "There are no viable workarounds for this issue."
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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-2021-31352",
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"STATE": "PUBLIC",
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"TITLE": "SRC Series: NETCONF over SSH allows negotiation of weak ciphers"
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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": "SRC Series",
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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": "4.13.0-R6"
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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": "A sample configuration of NETCONF over SSH is shown below:\n\n netconf {\n ssh {\n port 830;\n }\n }"
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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 Information Exposure vulnerability in Juniper Networks SRC Series devices configured for NETCONF over SSH permits the negotiation of weak ciphers, which could allow a remote attacker to obtain sensitive information. A remote attacker with read and write access to network data could exploit this vulnerability to display plaintext bits from a block of ciphertext and obtain sensitive information. This issue affects all Juniper Networks SRC Series versions prior to 4.13.0-R6."
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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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],
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"generator": {
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"engine": "Vulnogram 0.0.9"
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},
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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": "NONE",
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"baseScore": 5.3,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "LOW",
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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:L/I:N/A:N",
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"version": "3.1"
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}
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "CWE-200 Information Exposure"
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}
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]
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}
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]
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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/JSA11217",
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"refsource": "CONFIRM",
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"url": "https://kb.juniper.net/JSA11217"
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}
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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": "A hotfix has been created to resolve this issue. Contact Juniper Networks Technical Support to request the hotfix.\n\nWeak ciphers are now disabled by default. Only the following ciphers and key-exchange (KEX) algorithms are now enabled by default:\n\n• Ciphers: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com\n• KEX Algorithms: curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1\n\nNote: After upgrading to a fixed release, any manually configured weak ciphers or KEX algorithms for NETCONF will be retained. Administrators should reset their cipher configuration by typing:\n root@src# delete system services netconf ssh\n root@src# commit\n Stopping NETCONF/SSH:\n commit complete.\n\n root@src# set system services netconf ssh"
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}
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],
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"source": {
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"advisory": "JSA11217",
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"defect": [
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"1568322"
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],
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"discovery": "INTERNAL"
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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": "There are no viable workarounds for this issue."
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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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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-03T22:55:53.552Z"
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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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"x_transferred"
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],
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"url": "https://kb.juniper.net/JSA11217"
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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-2021-31352",
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"datePublished": "2021-10-19T18:16:33.308Z",
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"dateReserved": "2021-04-15T00:00:00.000Z",
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"dateUpdated": "2024-09-16T19:20:18.621Z",
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"state": "PUBLISHED"
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},
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"dataType": "CVE_RECORD",
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"dataVersion": "5.1"
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} |