{"id":"CVE-2022-22198","state":"PUBLISHED","title":"Junos OS: MX MS-MPC or MS-MIC, or SRX SPC crashes if it receives a SIP message with a specific contact header format","description":"An Access of Uninitialized Pointer vulnerability in the SIP ALG of Juniper Networks Junos OS allows an unauthenticated network-based attacker to cause a Denial of Service (DoS). Continued receipt of these specific packets will cause a sustained Denial of Service condition. On all MX and SRX platforms, if the SIP ALG is enabled, an MS-MPC or MS-MIC, or SPC will crash if it receives a SIP message with a specific contact header format. This issue affects Juniper Networks Junos OS on MX Series and SRX Series: 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2-S1, 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect versions prior to 20.4R1.","publishedAt":"2022-04-14T15:51:01.439Z","updatedAt":"2024-09-17T02:57:45.257Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"unspecified","status":"unaffected","lessThan":"20.4R1","versionType":"custom"},{"version":"20.4","status":"affected","lessThan":"20.4R3","versionType":"custom"},{"version":"21.1","status":"affected","lessThan":"21.1R2-S1, 21.1R3","versionType":"custom"},{"version":"21.2","status":"affected","lessThan":"21.2R2","versionType":"custom"}],"platforms":["MX Series, SRX Series"]}],"references":["https://kb.juniper.net/JSA69513"],"weaknesses":["CWE-824"],"ingestedAt":"2026-10-29T19:49:38.433Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/22xxx/CVE-2022-22198.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-22198","state":"PUBLISHED","datePublished":"2022-04-14T15:51:01.439Z","dateUpdated":"2024-09-17T02:57:45.257Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2021-12-21T00:00:00.000Z"},"containers":{"cna":{"title":"Junos OS: MX MS-MPC or MS-MIC, or SRX SPC crashes if it receives a SIP message with a specific contact header format","descriptions":[{"lang":"en","value":"An Access of Uninitialized Pointer vulnerability in the SIP ALG of Juniper Networks Junos OS allows an unauthenticated network-based attacker to cause a Denial of Service (DoS). Continued receipt of these specific packets will cause a sustained Denial of Service condition. On all MX and SRX platforms, if the SIP ALG is enabled, an MS-MPC or MS-MIC, or SPC will crash if it receives a SIP message with a specific contact header format. This issue affects Juniper Networks Junos OS on MX Series and SRX Series: 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2-S1, 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect versions prior to 20.4R1."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"unspecified","status":"unaffected","lessThan":"20.4R1","versionType":"custom"},{"version":"20.4","status":"affected","lessThan":"20.4R3","versionType":"custom"},{"version":"21.1","status":"affected","lessThan":"21.1R2-S1, 21.1R3","versionType":"custom"},{"version":"21.2","status":"affected","lessThan":"21.2R2","versionType":"custom"}],"platforms":["MX Series, SRX Series"]}],"references":[{"url":"https://kb.juniper.net/JSA69513","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-824","description":"CWE-824 Access of Uninitialized Pointer","lang":"en","type":"CWE"}]},{"descriptions":[{"description":"Denial of Service (DoS)","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"juniper","dateUpdated":"2022-04-14T15:51:01.000Z","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968"},"configurations":[{"lang":"en","value":"To be affected the SIP ALG needs to be enabled, either implicitly / by default or by way of configuration. Please verify on SRX with:\n\n  user@host> show security alg status | match sip\n  SIP : Enabled\n\nPlease verify on MX whether the following is configured:\n\n  [ services ... rule <rule-name> (term <term-name>) from/match application/application-set <name> ]\n\nwhere either\na. name = junos-sip or\nan application or application-set refers to SIP:\nb. [ applications application <name> application-protocol sip ] or\nc. [ applications application-set <name> application junos-sip ]"}],"datePublic":"2022-04-13T00:00:00.000Z","exploits":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"solutions":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: 20.4R3, 21.1R2-S1, 21.1R3, 21.2R2, 21.3R1, and all subsequent releases."}],"source":{"advisory":"JSA69513","defect":["1612450"],"discovery":"USER"},"workarounds":[{"lang":"en","value":"There are no viable workarounds for this issue, but it should be considered to disable the SIP ALG if it's not strictly needed."}],"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"sirt@juniper.net","DATE_PUBLIC":"2022-04-13T07:00:00.000Z","ID":"CVE-2022-22198","STATE":"PUBLIC","TITLE":"Junos OS: MX MS-MPC or MS-MIC, or SRX SPC crashes if it receives a SIP message with a specific contact header format"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Junos OS","version":{"version_data":[{"platform":"MX Series, SRX Series","version_affected":"<","version_name":"20.4","version_value":"20.4R3"},{"platform":"MX Series, SRX Series","version_affected":"<","version_name":"21.1","version_value":"21.1R2-S1, 21.1R3"},{"platform":"MX Series, SRX Series","version_affected":"<","version_name":"21.2","version_value":"21.2R2"},{"platform":"MX Series, SRX Series","version_affected":"!<","version_value":"20.4R1"}]}}]},"vendor_name":"Juniper Networks"}]}},"configuration":[{"lang":"en","value":"To be affected the SIP ALG needs to be enabled, either implicitly / by default or by way of configuration. Please verify on SRX with:\n\n  user@host> show security alg status | match sip\n  SIP : Enabled\n\nPlease verify on MX whether the following is configured:\n\n  [ services ... rule <rule-name> (term <term-name>) from/match application/application-set <name> ]\n\nwhere either\na. name = junos-sip or\nan application or application-set refers to SIP:\nb. [ applications application <name> application-protocol sip ] or\nc. [ applications application-set <name> application junos-sip ]"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An Access of Uninitialized Pointer vulnerability in the SIP ALG of Juniper Networks Junos OS allows an unauthenticated network-based attacker to cause a Denial of Service (DoS). Continued receipt of these specific packets will cause a sustained Denial of Service condition. On all MX and SRX platforms, if the SIP ALG is enabled, an MS-MPC or MS-MIC, or SPC will crash if it receives a SIP message with a specific contact header format. This issue affects Juniper Networks Junos OS on MX Series and SRX Series: 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2-S1, 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect versions prior to 20.4R1."}]},"exploit":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-824 Access of Uninitialized Pointer"}]},{"description":[{"lang":"eng","value":"Denial of Service (DoS)"}]}]},"references":{"reference_data":[{"name":"https://kb.juniper.net/JSA69513","refsource":"CONFIRM","url":"https://kb.juniper.net/JSA69513"}]},"solution":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: 20.4R3, 21.1R2-S1, 21.1R3, 21.2R2, 21.3R1, and all subsequent releases."}],"source":{"advisory":"JSA69513","defect":["1612450"],"discovery":"USER"},"work_around":[{"lang":"en","value":"There are no viable workarounds for this issue, but it should be considered to disable the SIP ALG if it's not strictly needed."}]}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://kb.juniper.net/JSA69513","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T03:07:50.206Z"}}]}}}