{ "id": "CVE-2023-1667", "sourceIdentifier": "secalert@redhat.com", "published": "2023-05-26T18:15:10.740", "lastModified": "2023-12-22T10:15:10.917", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "A NULL pointer dereference was found In libssh during re-keying with algorithm guessing. This issue may allow an authenticated client to cause a denial of service." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] }, { "source": "secalert@redhat.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*", "versionStartIncluding": "0.9.1", "versionEndIncluding": "0.9.6", "matchCriteriaId": "4ABFA49F-EB6C-45E4-8347-1E0A0FD65908" }, { "vulnerable": true, "criteria": "cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*", "versionStartIncluding": "0.10.0", "versionEndIncluding": "0.10.4", "matchCriteriaId": "B02C8B4E-0AD2-44B9-B32A-21986D00F9F5" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "matchCriteriaId": "E30D0E6F-4AE8-4284-8716-991DFA48CC5D" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73" } ] } ] }, { "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": "http://www.libssh.org/security/advisories/CVE-2023-1667.txt", "source": "secalert@redhat.com", "tags": [ "Vendor Advisory" ] }, { "url": "https://access.redhat.com/security/cve/CVE-2023-1667", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2182199", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/", "source": "secalert@redhat.com" }, { "url": "https://security.gentoo.org/glsa/202312-05", "source": "secalert@redhat.com" } ] }