Double free vulnerability in the prepare_error_as function in do_as_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 through 1.9, when the PKINIT feature is enabled, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via an e_data field containing typed data.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Kerberos_5 | Mit | 1.7 (including) | 1.7 (including) |
| Kerberos_5 | Mit | 1.7.1 (including) | 1.7.1 (including) |
| Kerberos_5 | Mit | 1.8 (including) | 1.8 (including) |
| Kerberos_5 | Mit | 1.8.1 (including) | 1.8.1 (including) |
| Kerberos_5 | Mit | 1.8.2 (including) | 1.8.2 (including) |
| Kerberos_5 | Mit | 1.8.3 (including) | 1.8.3 (including) |
| Kerberos_5 | Mit | 1.9 (including) | 1.9 (including) |
| Red Hat Enterprise Linux 6 | RedHat | krb5-0:1.8.2-3.el6_0.6 | * |
| Krb5 | Ubuntu | devel | * |
| Krb5 | Ubuntu | karmic | * |
| Krb5 | Ubuntu | lucid | * |
| Krb5 | Ubuntu | maverick | * |
| Krb5 | Ubuntu | upstream | * |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056413.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056573.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056579.html
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
- http://osvdb.org/71183
- http://secunia.com/advisories/43700
- http://secunia.com/advisories/43760
- http://secunia.com/advisories/43783
- http://secunia.com/advisories/43881
- http://securitytracker.com/id?1025216
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-003.txt
- http://www.kb.cert.org/vuls/id/943220
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:048
- http://www.redhat.com/support/errata/RHSA-2011-0356.html
- http://www.securityfocus.com/archive/1/517029/100/0/threaded
- http://www.securityfocus.com/bid/46881
- http://www.ubuntu.com/usn/USN-1088-1
- http://www.vupen.com/english/advisories/2011/0672
- http://www.vupen.com/english/advisories/2011/0673
- http://www.vupen.com/english/advisories/2011/0680
- http://www.vupen.com/english/advisories/2011/0722
- http://www.vupen.com/english/advisories/2011/0763
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66101
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056413.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056573.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056579.html
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
- http://osvdb.org/71183
- http://secunia.com/advisories/43700
- http://secunia.com/advisories/43760
- http://secunia.com/advisories/43783
- http://secunia.com/advisories/43881
- http://securitytracker.com/id?1025216
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-003.txt
- http://www.kb.cert.org/vuls/id/943220
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:048
- http://www.redhat.com/support/errata/RHSA-2011-0356.html
- http://www.securityfocus.com/archive/1/517029/100/0/threaded
- http://www.securityfocus.com/bid/46881
- http://www.ubuntu.com/usn/USN-1088-1
- http://www.vupen.com/english/advisories/2011/0672
- http://www.vupen.com/english/advisories/2011/0673
- http://www.vupen.com/english/advisories/2011/0680
- http://www.vupen.com/english/advisories/2011/0722
- http://www.vupen.com/english/advisories/2011/0763
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66101