{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-21609","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","state":"PUBLISHED","assignerShortName":"juniper","dateReserved":"2023-12-27T19:38:25.708Z","datePublished":"2024-04-12T14:55:00.663Z","dateUpdated":"2024-08-01T22:27:35.671Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","platforms":["MX Series with SPC3","SRX Series"],"product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"20.4R3-S9","status":"affected","version":"0","versionType":"semver"},{"lessThan":"21.2R3-S7","status":"affected","version":"21.2","versionType":"semver"},{"lessThan":"21.3R3-S5","status":"affected","version":"21.3","versionType":"semver"},{"lessThan":"21.4R3-S4","status":"affected","version":"21.4","versionType":"semver"},{"lessThan":"22.1R3-S3","status":"affected","version":"22.1","versionType":"semver"},{"lessThan":"22.2R3-S2","status":"affected","version":"22.2","versionType":"semver"},{"lessThan":"22.3R3","status":"affected","version":"22.3","versionType":"semver"},{"lessThan":"22.4R3","status":"affected","version":"22.4","versionType":"semver"},{"lessThan":"23.2R1-S2, 23.2R2","status":"affected","version":"23.2","versionType":"semver"}]}],"configurations":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"

To be exposed to this issue IPsec VPN needs to be configured with a minimal ike configuration:

  [ security ike gateway ike-policy ]

  [ security ipsec vpn ike gateway ]

and the system needs to run iked (vs. kmd which is not affected), which can be verified with:

  show system processes extensive | match \"KMD|IKED\"

"}],"value":"To be exposed to this issue IPsec VPN needs to be configured with a minimal ike configuration:\n\n  [ security ike gateway ike-policy ]\n\n  [ security ipsec vpn ike gateway ]\n\nand the system needs to run iked (vs. kmd which is not affected), which can be verified with:\n\n  show system processes extensive | match \"KMD|IKED\""}],"datePublic":"2024-04-10T16:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A Missing Release of Memory after Effective Lifetime vulnerability in the IKE daemon (iked) of Juniper Networks Junos OS on MX Series with SPC3, and SRX Series allows an administratively adjacent attacker which is able to successfully establish IPsec tunnels to cause a Denial of Service (DoS).

If specific values for the IPsec parameters local-ip, remote-ip, remote ike-id, and traffic selectors are sent from the peer, a memory leak occurs during every IPsec SA rekey which is carried out with a specific message sequence. This will eventually result in an iked process crash and restart.

The iked process memory consumption can be checked using the below command:
  user@host> show system processes extensive | grep iked
          PID USERNAME   PRI NICE   SIZE   RES   STATE   C TIME WCPU COMMAND
          56903 root       31   0     4016M 2543M CPU0   0 2:10 10.50% iked

This issue affects Juniper Networks Junos OS:
"}],"value":"A Missing Release of Memory after Effective Lifetime vulnerability in the IKE daemon (iked) of Juniper Networks Junos OS on MX Series with SPC3, and SRX Series allows an administratively adjacent attacker which is able to successfully establish IPsec tunnels to cause a Denial of Service (DoS).\n\nIf specific values for the IPsec parameters local-ip, remote-ip, remote ike-id, and traffic selectors are sent from the peer, a memory leak occurs during every IPsec SA rekey which is carried out with a specific message sequence. This will eventually result in an iked process crash and restart.\n\nThe iked process memory consumption can be checked using the below command:\n  user@host> show system processes extensive | grep iked\n          PID USERNAME   PRI NICE   SIZE   RES   STATE   C TIME WCPU COMMAND\n          56903 root       31   0     4016M 2543M CPU0   0 2:10 10.50% iked\n\nThis issue affects Juniper Networks Junos OS:\n * All versions earlier than 20.4R3-S9;\n * 21.2 versions earlier than 21.2R3-S7;\n * 21.3 versions earlier than 21.3R3-S5;\n * 21.4 versions earlier than 21.4R3-S4;\n * 22.1 versions earlier than 22.1R3-S3;\n * 22.2 versions earlier than 22.2R3-S2;\n * 22.3 versions earlier than 22.3R3;\n * 22.4 versions earlier than 22.4R3;\n * 23.2 versions earlier than 23.2R1-S2, 23.2R2."}],"exploits":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"

Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

"}],"value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]},{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"ADJACENT","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","description":"CWE-401 Missing Release of Memory after Effective Lifetime","lang":"en","type":"CWE"}]},{"descriptions":[{"description":"Denial of Service (DoS)","lang":"en"}]}],"providerMetadata":{"orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper","dateUpdated":"2024-05-16T20:09:32.000Z"},"references":[{"tags":["vendor-advisory"],"url":"http://supportportal.juniper.net/JSA75750"},{"tags":["technical-description"],"url":"https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"

The following software releases have been updated to resolve this specific issue: 20.4R3-S9, 21.2R3-S7, 21.3R3-S5, 21.4R3-S4, 22.1R3-S3, 22.2R3-S2, 22.3R3, 22.4R3, 23.2R1-S2, 23.2R2, 23.4R1, and all subsequent releases.

"}],"value":"The following software releases have been updated to resolve this specific issue: 20.4R3-S9, 21.2R3-S7, 21.3R3-S5, 21.4R3-S4, 22.1R3-S3, 22.2R3-S2, 22.3R3, 22.4R3, 23.2R1-S2, 23.2R2, 23.4R1, and all subsequent releases."}],"source":{"advisory":"JSA75750","defect":["1718199"],"discovery":"USER"},"timeline":[{"lang":"en","time":"2024-04-10T16:00:00.000Z","value":"Initial Publication"}],"title":"Junos OS: MX Series with SPC3, and SRX Series: If specific IPsec parameters are negotiated iked will crash due to a memory leak","workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"

While there is no workaround available, customers can monitor the memory utilization and restart iked periodically to clear the leak.

"}],"value":"While there is no workaround available, customers can monitor the memory utilization and restart iked periodically to clear the leak."}],"x_generator":{"engine":"Vulnogram 0.1.0-av217"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-04-17T17:18:38.989630Z","id":"CVE-2024-21609","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-07-03T16:41:11.676Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-01T22:27:35.671Z"},"title":"CVE Program Container","references":[{"tags":["vendor-advisory","x_transferred"],"url":"http://supportportal.juniper.net/JSA75750"},{"tags":["technical-description","x_transferred"],"url":"https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L"}]}]}}