CVE-2014-4343

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"cveTags": [], "descriptions": [{"lang": "en", "value": "Double free vulnerability in the init_ctx_reselect function in the SPNEGO initiator in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.10.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via network traffic that appears to come from an intended acceptor, but specifies a security mechanism different from the one proposed by the initiator."}, {"lang": "es", "value": "Vulnerabilidad de doble liberaci\u00f3n en la funci\u00f3n init_ctx_reselect en el iniciador SPNEGO en lib/gssapi/spnego/spnego_mech.c en MIT Kerberos 5 (tambi\u00e9n conocido como krb5) 1.10.x hasta 1.12.x anterior a 1.12.2 permite a atacantes remotos causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria) o posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de trafico de la red que parece venir de un aceptador intencionado, pero especifica un mecanismo de seguridad diferente al propuesto por el iniciador."}], "evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/415.html\" target=\"_blank\">CWE-415: Double Free</a>", "id": "CVE-2014-4343", "lastModified": "2026-06-17T00:09:50.080", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.6, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:H/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2014-08-14T05:01:49.897", "references": [{"source": "cve@mitre.org", "url": "http://advisories.mageia.org/MGASA-2014-0345.html"}, {"source": 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"https://github.com/krb5/krb5/commit/f18ddf5d82de0ab7591a36e465bc24225776940f"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2014:1389", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "krb5-0:1.10.3-33.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2014-10-13T00:00:00Z"}, {"advisory": "RHSA-2015:0439", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "krb5-0:1.12.2-14.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-03-05T00:00:00Z"}], "bugzilla": {"description": "krb5: double-free flaw in SPNEGO initiators", "id": "1121876", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1121876"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "verified"}, "cwe": "CWE-416", "details": ["Double free vulnerability in the init_ctx_reselect function in the SPNEGO initiator in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.10.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via network traffic that appears to come from an intended acceptor, but specifies a security mechanism different from the one proposed by the initiator.", "A double-free flaw was found in the MIT Kerberos SPNEGO initiators. An attacker able to spoof packets to appear as though they are from an GSSAPI acceptor could use this flaw to crash a client application that uses MIT Kerberos."], "name": "CVE-2014-4343", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2014-07-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-4343\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-4343"], "statement": "This issue did not affect the version of krb5 as shipped with Red Hat Enterprise Linux 5.", "threat_severity": "Low"}

{}