{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2023-6780", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2023-12-13T14:37:40.684Z", "datePublished": "2024-01-31T14:08:02.610Z", "dateUpdated": "2024-03-26T15:30:47.720Z"}, "containers": {"cna": {"title": "Glibc: integer overflow in __vsyslog_internal()", "metrics": [{"other": {"content": {"value": "Low", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "An integer overflow was found in the __vsyslog_internal function of the glibc library. This function is called by the syslog and vsyslog functions. This issue occurs when these functions are called with a very long message, leading to an incorrect calculation of the buffer size to store the message, resulting in undefined behavior. This issue affects glibc 2.37 and newer."}], "affected": [{"product": "glibc", "vendor": "n/a", "versions": [{"version": "2.39", "status": "unaffected"}]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "compat-glibc", "defaultStatus": "unaffected", "cpes": ["cpe:/o:redhat:enterprise_linux:6"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "glibc", "defaultStatus": "unaffected", "cpes": ["cpe:/o:redhat:enterprise_linux:6"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "compat-glibc", "defaultStatus": "unaffected", "cpes": ["cpe:/o:redhat:enterprise_linux:7"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "glibc", "defaultStatus": "unaffected", "cpes": ["cpe:/o:redhat:enterprise_linux:7"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "glibc", "defaultStatus": "unaffected", "cpes": ["cpe:/o:redhat:enterprise_linux:8"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "glibc", "defaultStatus": "unaffected", "cpes": ["cpe:/o:redhat:enterprise_linux:9"]}, {"product": "Fedora", "vendor": "Fedora", "collectionURL": "https://packages.fedoraproject.org/", "packageName": "glibc", "defaultStatus": "affected"}], "references": [{"url": "http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html"}, {"url": "http://seclists.org/fulldisclosure/2024/Feb/3"}, {"url": "https://access.redhat.com/security/cve/CVE-2023-6780", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2254396", "name": "RHBZ#2254396", "tags": ["issue-tracking", "x_refsource_REDHAT"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D2FIH77VHY3KCRROCXOT6L27WMZXSJ2G/"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MWQ6BZJ6CV5UAW4VZSKJ6TO4KIW2KWAQ/"}, {"url": "https://security.gentoo.org/glsa/202402-01"}, {"url": "https://www.openwall.com/lists/oss-security/2024/01/30/6"}, {"url": "https://www.qualys.com/2024/01/30/cve-2023-6246/syslog.txt"}], "datePublic": "2024-01-30T00:00:00+00:00", "problemTypes": [{"descriptions": [{"cweId": "CWE-131", "description": "Incorrect Calculation of Buffer Size", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-190->CWE-131: Integer Overflow or Wraparound leads to Incorrect Calculation of Buffer Size", "timeline": [{"lang": "en", "time": "2023-12-08T00:00:00+00:00", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2024-01-30T00:00:00+00:00", "value": "Made public."}], "credits": [{"lang": "en", "value": "Red Hat would like to thank Qualys Threat Research Unit for reporting this issue."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2024-03-26T15:30:47.720Z"}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*", "matchCriteriaId": "8A5153FA-49E9-457F-94BB-202CACA41C76", "versionEndExcluding": "2.39", "versionStartIncluding": "2.37", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*", "matchCriteriaId": "CC559B26-5DFC-4B7A-A27C-B77DE755DFF9", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*", "matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An integer overflow was found in the __vsyslog_internal function of the glibc library. This function is called by the syslog and vsyslog functions. This issue occurs when these functions are called with a very long message, leading to an incorrect calculation of the buffer size to store the message, resulting in undefined behavior. This issue affects glibc 2.37 and newer."}, {"lang": "es", "value": "Se encontr\u00f3 un desbordamiento de enteros en la funci\u00f3n __vsyslog_internal de la liibrer\u00eda glibc. Esta funci\u00f3n es llamada por las funciones syslog y vsyslog. Este problema ocurre cuando estas funciones se llaman con un mensaje muy largo, lo que genera un c\u00e1lculo incorrecto del tama\u00f1o del b\u00fafer para almacenar el mensaje, lo que genera un comportamiento indefinido. Este problema afecta a glibc 2.37 y posteriores."}], "id": "CVE-2023-6780", "lastModified": "2024-03-26T16:15:10.083", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "secalert@redhat.com", "type": "Secondary"}]}, "published": "2024-01-31T14:15:48.917", "references": [{"source": "secalert@redhat.com", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2024/Feb/3"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2023-6780"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2254396"}, {"source": "secalert@redhat.com", "tags": ["Mailing List"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D2FIH77VHY3KCRROCXOT6L27WMZXSJ2G/"}, {"source": "secalert@redhat.com", "tags": ["Mailing List"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MWQ6BZJ6CV5UAW4VZSKJ6TO4KIW2KWAQ/"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202402-01"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Mailing List"], "url": "https://www.openwall.com/lists/oss-security/2024/01/30/6"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://www.qualys.com/2024/01/30/cve-2023-6246/syslog.txt"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-131"}], "source": "secalert@redhat.com", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-131"}, {"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{}