{"id":"CVE-2023-44204","state":"PUBLISHED","title":"Junos OS and Junos OS Evolved: The rpd will crash upon receiving a malformed BGP UPDATE message","description":"\nAn Improper Validation of Syntactic Correctness of Input vulnerability in Routing Protocol Daemon (rpd) Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service (DoS).\n\nWhen a malformed BGP UPDATE packet is received over an established BGP session, the rpd crashes and restarts.\n\nThis issue affects both eBGP and iBGP implementations.\n\nThis issue affects:\n\nJuniper Networks Junos OS\n\n\n\n  *  21.4 versions prior to 21.4R3-S4;\n  *  22.1 versions prior to 22.1R3-S3;\n  *  22.2 versions prior to 22.2R3-S2;\n  *  22.3 versions prior to 22.3R2-S2, 22.3R3;\n  *  22.4 versions prior to 22.4R2-S1, 22.4R3;\n  *  23.2 versions prior to 23.2R1, 23.2R2;\n\n\n\n\nJuniper Networks Junos OS Evolved\n\n\n\n  *  21.4 versions prior to 21.4R3-S5-EVO;\n  *  22.1 versions prior to 22.1R3-S3-EVO;\n  *  22.2 versions prior to 22.2R3-S3-EVO;\n  *  22.3 versions prior to 22.3R2-S2-EVO;\n  *  22.4 versions prior to 22.4R3-EVO;\n  *  23.2 versions prior to 23.2R2-EVO;\n\n\n\n\n\n\n","publishedAt":"2023-10-12T23:06:37.422Z","updatedAt":"2024-09-17T16:09:18.179Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS","Juniper Networks Junos OS Evolved"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","defaultStatus":"unaffected","versions":[{"version":"21.4","status":"affected","lessThan":"21.4R3-S4","versionType":"semver"},{"version":"22.1","status":"affected","lessThan":"22.1R3-S3","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2R3-S2","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3R2-S2, 22.3R3","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4R2-S1, 22.4R3","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2R1, 23.2R2","versionType":"semver"}]},{"vendor":"Juniper Networks","product":"Junos OS Evolved","defaultStatus":"unaffected","versions":[{"version":"21.4-EVO","status":"affected","lessThan":"21.4R3-S5-EVO","versionType":"semver"},{"version":"22.1-EVO","status":"affected","lessThan":"22.1R3-S3-EVO","versionType":"semver"},{"version":"22.2-EVO","status":"affected","lessThan":"22.2R3-S3-EVO","versionType":"semver"},{"version":"22.3-EVO","status":"affected","lessThan":"22.3R2-S2-EVO","versionType":"semver"},{"version":"22.4-EVO","status":"affected","lessThan":"22.4R3-EVO","versionType":"semver"},{"version":"23.2-EVO","status":"affected","lessThan":"23.2R2-EVO","versionType":"semver"}]}],"references":["https://supportportal.juniper.net/JSA73170"],"weaknesses":["CWE-1286"],"ingestedAt":"2026-10-29T20:06:17.512Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/44xxx/CVE-2023-44204.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-44204","state":"PUBLISHED","datePublished":"2023-10-12T23:06:37.422Z","dateUpdated":"2024-09-17T16:09:18.179Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2023-09-26T19:30:32.350Z"},"containers":{"cna":{"title":"Junos OS and Junos OS Evolved: The rpd will crash upon receiving a malformed BGP UPDATE message","descriptions":[{"lang":"en","value":"\nAn Improper Validation of Syntactic Correctness of Input vulnerability in Routing Protocol Daemon (rpd) Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service (DoS).\n\nWhen a malformed BGP UPDATE packet is received over an established BGP session, the rpd crashes and restarts.\n\nThis issue affects both eBGP and iBGP implementations.\n\nThis issue affects:\n\nJuniper Networks Junos OS\n\n\n\n  *  21.4 versions prior to 21.4R3-S4;\n  *  22.1 versions prior to 22.1R3-S3;\n  *  22.2 versions prior to 22.2R3-S2;\n  *  22.3 versions prior to 22.3R2-S2, 22.3R3;\n  *  22.4 versions prior to 22.4R2-S1, 22.4R3;\n  *  23.2 versions prior to 23.2R1, 23.2R2;\n\n\n\n\nJuniper Networks Junos OS Evolved\n\n\n\n  *  21.4 versions prior to 21.4R3-S5-EVO;\n  *  22.1 versions prior to 22.1R3-S3-EVO;\n  *  22.2 versions prior to 22.2R3-S3-EVO;\n  *  22.3 versions prior to 22.3R2-S2-EVO;\n  *  22.4 versions prior to 22.4R3-EVO;\n  *  23.2 versions prior to 23.2R2-EVO;\n\n\n\n\n\n\n"}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","defaultStatus":"unaffected","versions":[{"version":"21.4","status":"affected","lessThan":"21.4R3-S4","versionType":"semver"},{"version":"22.1","status":"affected","lessThan":"22.1R3-S3","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2R3-S2","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3R2-S2, 22.3R3","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4R2-S1, 22.4R3","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2R1, 23.2R2","versionType":"semver"}]},{"vendor":"Juniper Networks","product":"Junos OS Evolved","defaultStatus":"unaffected","versions":[{"version":"21.4-EVO","status":"affected","lessThan":"21.4R3-S5-EVO","versionType":"semver"},{"version":"22.1-EVO","status":"affected","lessThan":"22.1R3-S3-EVO","versionType":"semver"},{"version":"22.2-EVO","status":"affected","lessThan":"22.2R3-S3-EVO","versionType":"semver"},{"version":"22.3-EVO","status":"affected","lessThan":"22.3R2-S2-EVO","versionType":"semver"},{"version":"22.4-EVO","status":"affected","lessThan":"22.4R3-EVO","versionType":"semver"},{"version":"23.2-EVO","status":"affected","lessThan":"23.2R2-EVO","versionType":"semver"}]}],"references":[{"url":"https://supportportal.juniper.net/JSA73170","tags":["vendor-advisory"]}],"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"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1286","description":"CWE-1286: Improper Validation of Syntactic Correctness of Input","lang":"en","type":"CWE"}]},{"descriptions":[{"description":"Denial of Service (DoS)","lang":"en"}]}],"providerMetadata":{"shortName":"juniper","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateUpdated":"2023-10-12T23:06:37.422Z"},"configurations":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>The following minimal configuration is required:</p><tt>[protocols bgp]</tt>"}],"value":"The following minimal configuration is required:\n\n[protocols bgp]"}],"datePublic":"2023-10-11T16:00:00.000Z","exploits":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Juniper SIRT is not aware of any malicious exploitation of this vulnerability.</p>"}],"value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\n\n"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>The following software releases have been updated to resolve this specific issue: </p><p>Junos OS: 21.4R3-S4, 22.1R3-S3, 22.2R3-S2, 22.3R2-S2, 22.3R3, 22.4R2-S1, 22.4R3, 23.1R2, 23.2R1, 23.2R2, 23.3R1 and all subsequent releases.</p><p>Junos OS Evolved: 22.1R3-S3-EVO, 22.3R2-S2-EVO, 22.4R3-EVO, 23.1R2-EVO, 23.2R2-EVO, 23.3R1-EVO and all subsequent releases.</p>"}],"value":"The following software releases have been updated to resolve this specific issue: \n\nJunos OS: 21.4R3-S4, 22.1R3-S3, 22.2R3-S2, 22.3R2-S2, 22.3R3, 22.4R2-S1, 22.4R3, 23.1R2, 23.2R1, 23.2R2, 23.3R1 and all subsequent releases.\n\nJunos OS Evolved: 22.1R3-S3-EVO, 22.3R2-S2-EVO, 22.4R3-EVO, 23.1R2-EVO, 23.2R2-EVO, 23.3R1-EVO and all subsequent releases.\n\n"}],"source":{"advisory":"JSA73170","defect":["1731803"],"discovery":"INTERNAL"},"timeline":[{"lang":"en","time":"2023-10-11T16:00:00.000Z","value":"Initial Publication"}],"workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>There are no known workarounds for this issue.</p>"}],"value":"There are no known workarounds for this issue.\n\n"}],"x_generator":{"engine":"Vulnogram 0.1.0-av217"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://supportportal.juniper.net/JSA73170","tags":["vendor-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T19:59:51.506Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-17T15:45:30.903588Z","id":"CVE-2023-44204","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-17T16:09:18.179Z"}}]}}}