CVE-2009-0846

    Dashboard / Vulnerabilities / CVE-2009-0846

    CVE-2009-0846

    Published: 9 Apr 2009Last Modified: 10 Apr 2026

    Summary:

    Details: The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.

    References: http://marc.info/?l=bugtraq&m=124896429301168&w=2, http://marc.info/?l=bugtraq&m=130497213107107&w=2, http://rhn.redhat.com/errata/RHSA-2009-0409.html, http://rhn.redhat.com/errata/RHSA-2009-0410.html, http://secunia.com/advisories/34594, http://secunia.com/advisories/34598, http://secunia.com/advisories/34617, http://secunia.com/advisories/34622, http://secunia.com/advisories/34628, http://secunia.com/advisories/34630, http://secunia.com/advisories/34637, http://secunia.com/advisories/34640, http://secunia.com/advisories/34734, http://secunia.com/advisories/35074, http://secunia.com/advisories/35667, http://security.gentoo.org/glsa/glsa-200904-09.xml, http://support.apple.com/kb/HT3549, http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm, http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-002.txt, http://www.kb.cert.org/vuls/id/662091, http://www.mandriva.com/security/advisories?name=MDVSA-2009:098, http://www.securityfocus.com/archive/1/502527/100/0/threaded, http://www.securityfocus.com/archive/1/502546/100/0/threaded, http://www.securityfocus.com/archive/1/504683/100/0/threaded, http://www.securityfocus.com/bid/34409, http://www.securitytracker.com/id?1021994, http://www.ubuntu.com/usn/usn-755-1, http://www.us-cert.gov/cas/techalerts/TA09-133A.html, http://www.vmware.com/security/advisories/VMSA-2009-0008.html, http://www.vupen.com/english/advisories/2009/0960, http://www.vupen.com/english/advisories/2009/0976, http://www.vupen.com/english/advisories/2009/1057, http://www.vupen.com/english/advisories/2009/1106, http://www.vupen.com/english/advisories/2009/1297, http://www.vupen.com/english/advisories/2009/2084, http://www.vupen.com/english/advisories/2009/2248, http://lists.apple.com/archives/security-announce/2009/May/msg00002.html, https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html, https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html, http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-002.txt, http://lists.vmware.com/pipermail/security-announce/2009/000059.html, http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1, http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html, http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html, http://wiki.rpath.com/Advisories:rPSA-2009-0058, http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058, http://www-01.ibm.com/support/docview.wss?uid=swg21396120, http://www.kb.cert.org/vuls/id/662091, http://www.redhat.com/support/errata/RHSA-2009-0408.html, http://www.securityfocus.com/archive/1/502527/100/0/threaded, http://www.securityfocus.com/archive/1/502546/100/0/threaded, http://www.securityfocus.com/archive/1/504683/100/0/threaded, http://www.securityfocus.com/bid/34409, http://www.securitytracker.com/id?1021994, http://www.us-cert.gov/cas/techalerts/TA09-133A.html, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10694, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5483, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6301

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High