CVE-2010-1321

    Dashboard / Vulnerabilities / CVE-2010-1321

    CVE-2010-1321

    Published: 19 May 2010Last Modified: 10 Apr 2026

    Summary:

    Details: The kg_accept_krb5 function in krb5/accept_sec_context.c in the GSS-API library in MIT Kerberos 5 (aka krb5) through 1.7.1 and 1.8 before 1.8.2, as used in kadmind and other applications, does not properly check for invalid GSS-API tokens, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an AP-REQ message in which the authenticator's checksum field is missing.

    References: http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041615.html, http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041645.html, http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041654.html, http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html, http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html, http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00006.html, http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.html, http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html, http://marc.info/?l=bugtraq&m=134254866602253&w=2, http://secunia.com/advisories/39762, http://secunia.com/advisories/39784, http://secunia.com/advisories/39799, http://secunia.com/advisories/39818, http://secunia.com/advisories/39849, http://secunia.com/advisories/40346, http://secunia.com/advisories/40685, http://secunia.com/advisories/41967, http://secunia.com/advisories/42432, http://secunia.com/advisories/42974, http://secunia.com/advisories/43335, http://secunia.com/advisories/44954, http://support.avaya.com/css/P8/documents/100114315, http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-005.txt, http://www.debian.org/security/2010/dsa-2052, http://www.mandriva.com/security/advisories?name=MDVSA-2010:100, http://www.oracle.com/technetwork/topics/security/cpujan2011-194091.html, http://www.oracle.com/technetwork/topics/security/cpujuly2011-313328.html, http://www.oracle.com/technetwork/topics/security/cpuoct2010-175626.html, http://www.oracle.com/technetwork/topics/security/javacpuoct2010-176258.html, http://www.redhat.com/support/errata/RHSA-2010-0423.html, http://www.redhat.com/support/errata/RHSA-2010-0770.html, http://www.redhat.com/support/errata/RHSA-2010-0807.html, http://www.redhat.com/support/errata/RHSA-2010-0873.html, http://www.redhat.com/support/errata/RHSA-2010-0935.html, http://www.redhat.com/support/errata/RHSA-2010-0987.html, http://www.redhat.com/support/errata/RHSA-2011-0152.html, http://www.redhat.com/support/errata/RHSA-2011-0880.html, http://www.securityfocus.com/archive/1/511331/100/0/threaded, http://www.securityfocus.com/archive/1/516397/100/0/threaded, http://www.securityfocus.com/bid/40235, http://www.ubuntu.com/usn/USN-940-1, http://www.ubuntu.com/usn/USN-940-2, http://www.us-cert.gov/cas/techalerts/TA10-287A.html, http://www.us-cert.gov/cas/techalerts/TA11-201A.html, http://www.vmware.com/security/advisories/VMSA-2011-0003.html, http://www.vupen.com/english/advisories/2010/1177, http://www.vupen.com/english/advisories/2010/1192, http://www.vupen.com/english/advisories/2010/1193, http://www.vupen.com/english/advisories/2010/1196, http://www.vupen.com/english/advisories/2010/1222, http://www.vupen.com/english/advisories/2010/1574, http://www.vupen.com/english/advisories/2010/1882, http://www.vupen.com/english/advisories/2010/3112, http://www.vupen.com/english/advisories/2011/0134, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11604, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7198, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7450, http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html, http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html, http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00006.html, http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.html, http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html, http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-005.txt, http://marc.info/?l=bugtraq&m=134254866602253&w=2, http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02257427, http://osvdb.org/64744, http://www.us-cert.gov/cas/techalerts/TA10-287A.html, http://www.us-cert.gov/cas/techalerts/TA11-201A.html, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11604, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7198, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7450

    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