{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2023-28981","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","assignerShortName":"juniper","dateUpdated":"2025-02-05T21:40:20.322Z","dateReserved":"2023-03-29T00:00:00.000Z","datePublished":"2023-04-17T00:00:00.000Z"},"containers":{"cna":{"title":"Junos OS and Junos OS Evolved: If malformed IPv6 router advertisements are received, memory corruption will occur which causes an rpd crash","datePublic":"2023-04-12T00:00:00.000Z","providerMetadata":{"orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper","dateUpdated":"2023-04-17T00:00:00.000Z"},"descriptions":[{"lang":"en","value":"An Improper Input Validation vulnerability in the kernel of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). If the receipt of router advertisements is enabled on an interface and a specifically malformed RA packet is received, memory corruption will happen which leads to an rpd crash. This issue affects: Juniper Networks Junos OS 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S3; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R3; 21.4 versions prior to 21.4R2; 22.1 versions prior to 22.1R2. Juniper Networks Junos OS Evolved 20.3-EVO version 20.3R1-EVO and later versions; 20.4-EVO versions prior to 20.4R3-S6-EVO; 21.3-EVO versions prior to 21.3R3-EVO; 21.4-EVO versions prior to 21.4R2-EVO; 22.1-EVO versions prior to 22.1R2-EVO."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"20.3","status":"affected","lessThan":"20.3R3-S5","versionType":"custom"},{"version":"20.4","status":"affected","lessThan":"20.4R3-S3, 20.4R3-S6","versionType":"custom"},{"version":"21.1","status":"affected","lessThan":"21.1R3-S4","versionType":"custom"},{"version":"21.2","status":"affected","lessThan":"21.2R3","versionType":"custom"},{"version":"21.3","status":"affected","lessThan":"21.3R3","versionType":"custom"},{"version":"21.4","status":"affected","lessThan":"21.4R2","versionType":"custom"},{"version":"22.1","status":"affected","lessThan":"22.1R2","versionType":"custom"}]},{"vendor":"Juniper Networks","product":"Junos OS Evolved","versions":[{"version":"20.3R1-EVO","status":"affected","lessThan":"20.3-EVO*","versionType":"custom"},{"version":"20.4-EVO","status":"affected","lessThan":"20.4R3-S6-EVO","versionType":"custom"},{"version":"21.3-EVO","status":"affected","lessThan":"21.3R3-EVO","versionType":"custom"},{"version":"21.4-EVO","status":"affected","lessThan":"21.4R2-EVO","versionType":"custom"},{"version":"22.1-EVO","status":"affected","lessThan":"22.1R2-EVO","versionType":"custom"}]}],"references":[{"url":"https://supportportal.juniper.net/JSA70607"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-20 Improper Input Validation","cweId":"CWE-20"}]},{"descriptions":[{"type":"text","lang":"en","description":"Denial of Service (DoS)"}]}],"x_generator":{"engine":"Vulnogram 0.0.9"},"source":{"advisory":"JSA70607","defect":["1645928"],"discovery":"USER"},"configurations":[{"lang":"en","value":"To be affected by this vulnerability router advertisements need to be enabled on the interface:\n\n  [protocols router-advertisement interface <interface-name>]"}],"workarounds":[{"lang":"en","value":"If the receipt of router advertisements is not necessary (but just the solicited or unsolicited sending of RAs) then incoming RAs can be filtered and dropped by applying a firewall filter like the following:\n\nset firewall family inet6 filter test term 1 from next-header icmp6\nset firewall family inet6 filter test term 1 from icmp-type 134\nset firewall family inet6 filter test term 1 then discard\nset firewall family inet6 filter test term 2 then accept"}],"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:\nJunos OS Evolved: 20.4R3-S6-EVO, 21.3R3-EVO, 21.4R2-EVO, 22.1R2-EVO, 22.2R1-EVO, and all subsequent releases.\nJunos OS: 20.3R3-S5, 20.4R3-S3, 21.1R3-S4, 21.2R3, 21.3R3, 21.4R2, 22.1R2, 22.2R1, and all subsequent releases."}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T13:51:39.003Z"},"title":"CVE Program Container","references":[{"url":"https://supportportal.juniper.net/JSA70607","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-05T21:40:16.335429Z","id":"CVE-2023-28981","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":"2025-02-05T21:40:20.322Z"}}]}}