{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-1667", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "dateUpdated": "2024-08-02T05:57:24.326Z", "dateReserved": "2023-03-27T00:00:00", "datePublished": "2023-05-26T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2023-12-22T10:06:17.929046"}, "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."}], "affected": [{"vendor": "n/a", "product": "libssh", "versions": [{"version": "libssh-2", "status": "affected"}]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2023-1667"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2182199"}, {"url": "http://www.libssh.org/security/advisories/CVE-2023-1667.txt"}, {"name": "FEDORA-2023-5fa5ca2043", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/"}, {"name": "[debian-lts-announce] 20230529 [SECURITY] [DLA 3437-1] libssh security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html"}, {"name": "GLSA-202312-05", "tags": ["vendor-advisory"], "url": "https://security.gentoo.org/glsa/202312-05"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-476", "cweId": "CWE-476"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T05:57:24.326Z"}, "title": "CVE Program Container", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2023-1667", "tags": ["x_transferred"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2182199", "tags": ["x_transferred"]}, {"url": "http://www.libssh.org/security/advisories/CVE-2023-1667.txt", "tags": ["x_transferred"]}, {"name": "FEDORA-2023-5fa5ca2043", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/"}, {"name": "[debian-lts-announce] 20230529 [SECURITY] [DLA 3437-1] libssh security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html"}, {"name": "GLSA-202312-05", "tags": ["vendor-advisory", "x_transferred"], "url": "https://security.gentoo.org/glsa/202312-05"}]}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*", "matchCriteriaId": "4ABFA49F-EB6C-45E4-8347-1E0A0FD65908", "versionEndIncluding": "0.9.6", "versionStartIncluding": "0.9.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*", "matchCriteriaId": "B02C8B4E-0AD2-44B9-B32A-21986D00F9F5", "versionEndIncluding": "0.10.4", "versionStartIncluding": "0.10.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "matchCriteriaId": "E30D0E6F-4AE8-4284-8716-991DFA48CC5D", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"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", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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."}], "id": "CVE-2023-1667", "lastModified": "2024-11-21T07:39:39.170", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-05-26T18:15:10.740", "references": [{"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://www.libssh.org/security/advisories/CVE-2023-1667.txt"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2023-1667"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2182199"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html"}, {"source": "secalert@redhat.com", "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": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.libssh.org/security/advisories/CVE-2023-1667.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2023-1667"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2182199"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/202312-05"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:3839", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "libssh-0:0.9.6-10.el8_8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-06-27T00:00:00Z"}, {"advisory": "RHSA-2023:3839", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "libssh-0:0.9.6-10.el8_8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-06-27T00:00:00Z"}, {"advisory": "RHSA-2024:0538", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "libssh-0:0.9.6-4.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-01-29T00:00:00Z"}, {"advisory": "RHSA-2023:6643", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "libssh-0:0.10.4-11.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}, {"advisory": "RHSA-2023:6643", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "libssh-0:0.10.4-11.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}], "bugzilla": {"description": "libssh: NULL pointer dereference during rekeying with algorithm guessing", "id": "2182199", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2182199"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-476", "details": ["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.", "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."], "name": "CVE-2023-1667", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "libssh", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Not affected", "package_name": "ansible-collection-ansible-netcommon", "product_name": "Red Hat Virtualization 4"}], "public_date": "2023-04-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-1667\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-1667\nhttp://www.libssh.org/security/advisories/CVE-2023-1667.txt"], "threat_severity": "Moderate"}

{}