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