{"containers":{"cna":{"affected":[{"platforms":["SRX Series, MX Series"],"product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"20.4R1","status":"unaffected","version":"unspecified","versionType":"custom"},{"lessThan":"20.4R3-S2","status":"affected","version":"20.4","versionType":"custom"},{"lessThan":"21.1R3-S2","status":"affected","version":"21.1","versionType":"custom"},{"changes":[{"at":"21.2R3","status":"unaffected"}],"lessThan":"21.2R2-S2","status":"affected","version":"21.2","versionType":"custom"},{"lessThan":"21.3R2","status":"affected","version":"21.3","versionType":"custom"},{"lessThan":"21.4R2","status":"affected","version":"21.4","versionType":"custom"}]}],"datePublic":"2022-07-13T00:00:00.000Z","descriptions":[{"lang":"en","value":"An Improper Release of Memory Before Removing Last Reference vulnerability in the Session Initiation Protocol (SIP) Application Layer Gateway (ALG) of Juniper Networks Junos OS allows unauthenticated network-based attacker to cause a partial Denial of Service (DoS). On all MX and SRX platforms, if the SIP ALG is enabled, receipt of a specific SIP packet will create a stale SIP entry. Sustained receipt of such packets will cause the SIP call table to eventually fill up and cause a DoS for all SIP traffic. The SIP call usage can be monitored by \"show security alg sip calls\". To be affected the SIP ALG needs to be enabled, either implicitly / by default or by way of configuration. Please verify on SRX with: user@host> show security alg status | match sip SIP : Enabled Please verify on MX whether the following is configured: [ services ... rule <rule-name> (term <term-name>) from/match application/application-set <name> ] where either a. name = junos-sip or an application or application-set refers to SIP: b. [ applications application <name> application-protocol sip ] or c. [ applications application-set <name> application junos-sip ] This issue affects Juniper Networks Junos OS on SRX Series and MX Series: 20.4 versions prior to 20.4R3-S2; 21.1 versions prior to 21.1R3-S2; 21.2 versions prior to 21.2R2-S2; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R2; 21.4 versions prior to 21.4R2. This issue does not affect Juniper Networks Junos OS versions prior to 20.4R1. Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","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:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","description":"CWE-401 Improper Release of Memory Before Removing Last Reference","lang":"en","type":"CWE"}]},{"descriptions":[{"description":"Denial of Service (DoS)","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2022-07-20T14:12:08.000Z","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://kb.juniper.net/JSA69708"}],"solutions":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: 20.4R3-S2, 21.1R3-S2, 21.2R2-S2, 21.2R3, 21.3R2, 21.4R2, 22.1R1, and all subsequent releases."}],"source":{"advisory":"JSA69708","defect":["1622455"],"discovery":"USER"},"title":"Junos OS: MX Series and SRX Series: When receiving a specific SIP packets stale call table entries are created which eventually leads to a DoS for all SIP traffic","workarounds":[{"lang":"en","value":"There are no known 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":"2022-07-13T16:00:00.000Z","ID":"CVE-2022-22204","STATE":"PUBLIC","TITLE":"Junos OS: MX Series and SRX Series: When receiving a specific SIP packets stale call table entries are created which eventually leads to a DoS for all SIP traffic"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Junos OS","version":{"version_data":[{"platform":"SRX Series, MX Series","version_affected":"<","version_name":"20.4","version_value":"20.4R3-S2"},{"platform":"SRX Series, MX Series","version_affected":"<","version_name":"21.1","version_value":"21.1R3-S2"},{"platform":"SRX Series, MX Series","version_affected":"<","version_name":"21.2","version_value":"21.2R2-S2"},{"platform":"SRX Series, MX Series","version_affected":"<","version_name":"21.2","version_value":"21.2R3"},{"platform":"SRX Series, MX Series","version_affected":"<","version_name":"21.3","version_value":"21.3R2"},{"platform":"SRX Series, MX Series","version_affected":"<","version_name":"21.4","version_value":"21.4R2"},{"platform":"SRX Series, MX Series","version_affected":"!<","version_value":"20.4R1"}]}}]},"vendor_name":"Juniper Networks"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An Improper Release of Memory Before Removing Last Reference vulnerability in the Session Initiation Protocol (SIP) Application Layer Gateway (ALG) of Juniper Networks Junos OS allows unauthenticated network-based attacker to cause a partial Denial of Service (DoS). On all MX and SRX platforms, if the SIP ALG is enabled, receipt of a specific SIP packet will create a stale SIP entry. Sustained receipt of such packets will cause the SIP call table to eventually fill up and cause a DoS for all SIP traffic. The SIP call usage can be monitored by \"show security alg sip calls\". To be affected the SIP ALG needs to be enabled, either implicitly / by default or by way of configuration. Please verify on SRX with: user@host> show security alg status | match sip SIP : Enabled Please verify on MX whether the following is configured: [ services ... rule <rule-name> (term <term-name>) from/match application/application-set <name> ] where either a. name = junos-sip or an application or application-set refers to SIP: b. [ applications application <name> application-protocol sip ] or c. [ applications application-set <name> application junos-sip ] This issue affects Juniper Networks Junos OS on SRX Series and MX Series: 20.4 versions prior to 20.4R3-S2; 21.1 versions prior to 21.1R3-S2; 21.2 versions prior to 21.2R2-S2; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R2; 21.4 versions prior to 21.4R2. This issue does not affect Juniper Networks Junos OS versions prior to 20.4R1. 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":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","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:L","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-401 Improper Release of Memory Before Removing Last Reference"}]},{"description":[{"lang":"eng","value":"Denial of Service (DoS)"}]}]},"references":{"reference_data":[{"name":"https://kb.juniper.net/JSA69708","refsource":"CONFIRM","url":"https://kb.juniper.net/JSA69708"}]},"solution":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: 20.4R3-S2, 21.1R3-S2, 21.2R2-S2, 21.2R3, 21.3R2, 21.4R2, 22.1R1, and all subsequent releases."}],"source":{"advisory":"JSA69708","defect":["1622455"],"discovery":"USER"},"work_around":[{"lang":"en","value":"There are no known workarounds for this issue, but it should be considered to disable the SIP ALG if it's not strictly needed."}]}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T03:07:49.962Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://kb.juniper.net/JSA69708"}]}]},"cveMetadata":{"assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","assignerShortName":"juniper","cveId":"CVE-2022-22204","datePublished":"2022-07-20T14:12:08.333Z","dateReserved":"2021-12-21T00:00:00.000Z","dateUpdated":"2024-09-16T16:17:32.073Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}