{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-39975", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-02T18:18:10.190Z", "dateReserved": "2023-08-07T00:00:00", "datePublished": "2023-08-16T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-02-01T17:06:58.025613"}, "descriptions": [{"lang": "en", "value": "kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://web.mit.edu/kerberos/www/advisories/"}, {"url": "https://github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-final"}, {"url": "https://github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840"}, {"url": "https://security.netapp.com/advisory/ntap-20230915-0014/"}, {"url": "https://security.netapp.com/advisory/ntap-20240201-0008/"}, {"url": "https://security.netapp.com/advisory/ntap-20240201-0005/"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T18:18:10.190Z"}, "title": "CVE Program Container", "references": [{"url": "https://web.mit.edu/kerberos/www/advisories/", "tags": ["x_transferred"]}, {"url": "https://github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-final", "tags": ["x_transferred"]}, {"url": "https://github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840", "tags": ["x_transferred"]}, {"url": "https://security.netapp.com/advisory/ntap-20230915-0014/", "tags": ["x_transferred"]}, {"url": "https://security.netapp.com/advisory/ntap-20240201-0008/", "tags": ["x_transferred"]}, {"url": "https://security.netapp.com/advisory/ntap-20240201-0005/", "tags": ["x_transferred"]}]}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*", "matchCriteriaId": "BA50866D-BAAB-46DD-A6AC-8F8539414285", "versionEndExcluding": "1.21.2", "versionStartIncluding": "1.21", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another."}, {"lang": "es", "value": "kdc/do_tgs_req.c en MIT Kerberos 5 (tambi\u00e9n conocido como krb5) 1.21 antes de 1.21.2 tiene un double free que es accesible si un usuario autenticado puede desencadenar un error de gesti\u00f3n de datos de autorizaci\u00f3n. Los datos incorrectos se copian de un ticket a otro."}], "id": "CVE-2023-39975", "lastModified": "2024-02-01T17:15:08.610", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-08-16T15:15:11.277", "references": [{"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-final"}, {"source": "cve@mitre.org", "url": "https://security.netapp.com/advisory/ntap-20230915-0014/"}, {"source": "cve@mitre.org", "url": "https://security.netapp.com/advisory/ntap-20240201-0005/"}, {"source": "cve@mitre.org", "url": "https://security.netapp.com/advisory/ntap-20240201-0008/"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://web.mit.edu/kerberos/www/advisories/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:6699", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "krb5-0:1.21.1-1.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}, {"advisory": "RHSA-2023:6699", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "krb5-0:1.21.1-1.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}], "bugzilla": {"description": "krb5: double-free in KDC TGS processing", "id": "2232682", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2232682"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-415", "details": ["kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another.", "A vulnerability was found in MIT krb5, where an authenticated attacker can cause a KDC to free the same pointer twice if it can induce a failure in authorization data handling."], "name": "CVE-2023-39975", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2023-08-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-39975\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-39975"], "threat_severity": "Moderate", "upstream_fix": "krb5 1.21.2"}