CVE-2015-2696

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krb5) en versiones anteriores a 1.14 conf\u00eda en un manejo de contexto inapropiado, lo cual permite a atacantes remotos provocar una denegaci\u00f3n de servicio (lectura de puntero incorrecto y ca\u00edda de proceso) a trav\u00e9s de un paquete IAKERB manipulado que no es manejado correctamente durante una llamada a gss_inquire_context."}], "id": "CVE-2015-2696", "lastModified": "2026-06-17T00:24:34.290", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2015-11-09T03:59:02.263", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://krbdev.mit.edu/rt/Ticket/Display.html?id=8244"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2015/dsa-3395"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/90675"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": 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{"bugzilla": {"description": "krb5: IAKERB context aliasing flaw", "id": "1275869", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1275869"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "draft"}, "cwe": "CWE-843", "details": ["lib/gssapi/krb5/iakerb.c in MIT Kerberos 5 (aka krb5) before 1.14 relies on an inappropriate context handle, which allows remote attackers to cause a denial of service (incorrect pointer read and process crash) via a crafted IAKERB packet that is mishandled during a gss_inquire_context call.", "A type-confusion flaw was discovered in MIT Kerberos, where it incorrectly deals with IAKERB context handles. \nIf an application calls gss_inquire_context() on a partially-established IAKERB context, an unauthenticated remote attacker could possibly exploit the flaw to crash the application (denial of service) by sending it a specially crafted IAKERB packet."], "name": "CVE-2015-2696", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2015-09-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-2696\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-2696"], "threat_severity": "Moderate"}

{}