{ "id": "CVE-2023-51767", "sourceIdentifier": "cve@mitre.org", "published": "2023-12-24T07:15:07.410", "lastModified": "2024-01-04T19:18:14.703", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "OpenSSH through 9.6, when common types of DRAM are used, might allow row hammer attacks (for authentication bypass) because the integer value of authenticated in mm_answer_authpassword does not resist flips of a single bit. NOTE: this is applicable to a certain threat model of attacker-victim co-location in which the attacker has user privileges." }, { "lang": "es", "value": "OpenSSH hasta 9.6, cuando se utilizan tipos comunes de DRAM, podr\u00eda permitir row hammer attacks (para omitir la autenticaci\u00f3n) porque el valor entero de autenticado en mm_answer_authpassword no resiste cambios de un solo bit. NOTA: esto es aplicable a un determinado modelo de amenaza de ubicaci\u00f3n conjunta entre atacante y v\u00edctima en el que el atacante tiene privilegios de usuario." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.0, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-Other" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:openssh:openssh:*:*:*:*:*:*:*:*", "versionEndIncluding": "9.6", "matchCriteriaId": "7AD424BA-D8D3-4E31-AD50-5D5924F33D04" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*", "matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D" } ] } ] } ], "references": [ { "url": "https://access.redhat.com/security/cve/CVE-2023-51767", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://arxiv.org/abs/2309.02545", "source": "cve@mitre.org", "tags": [ "Technical Description" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2255850", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://github.com/openssh/openssh-portable/blob/8241b9c0529228b4b86d88b1a6076fb9f97e4a99/auth-passwd.c#L77", "source": "cve@mitre.org", "tags": [ "Patch" ] }, { "url": "https://github.com/openssh/openssh-portable/blob/8241b9c0529228b4b86d88b1a6076fb9f97e4a99/monitor.c#L878", "source": "cve@mitre.org", "tags": [ "Patch" ] } ] }