Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mit | Kerberos 5 | <= 1.7.1 |
| Debian | Debian Linux | 5.0 |
| Canonical | Ubuntu Linux | 6.06 |
| Oracle | Database Server | - |
| Opensuse | Opensuse | 11.0 |
| Suse | Linux Enterprise Server | 10 |
| Fedoraproject | Fedora | 11 |
Related Weaknesses (CWE)
References
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02257427Broken Link
- http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041615.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041645.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041654.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00006.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.htmlMailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=134254866602253&w=2Issue TrackingThird Party Advisory
- http://osvdb.org/64744Broken Link
- http://secunia.com/advisories/39762Third Party Advisory
- http://secunia.com/advisories/39784Third Party Advisory
- http://secunia.com/advisories/39799Third Party Advisory
- http://secunia.com/advisories/39818Third Party Advisory
FAQ
What is CVE-2010-1321?
CVE-2010-1321 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 pro...
How severe is CVE-2010-1321?
CVE-2010-1321 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2010-1321?
Check the references section above for vendor advisories and patch information. Affected products include: Mit Kerberos 5, Debian Debian Linux, Canonical Ubuntu Linux, Oracle Database Server, Opensuse Opensuse.