The check_1_6_dummy function in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x, and 1.10.x before 1.10.2 allows remote authenticated administrators to cause a denial of service (NULL pointer dereference and daemon crash) via a KRB5_KDB_DISALLOW_ALL_TIX create request that lacks a password.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| 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 | 1.8.4 (including) | 1.8.4 (including) |
| Kerberos_5 | Mit | 1.8.5 (including) | 1.8.5 (including) |
| Kerberos_5 | Mit | 1.8.6 (including) | 1.8.6 (including) |
| Red Hat Enterprise Linux 6 | RedHat | krb5-0:1.9-33.el6_3.2 | * |
| Krb5 | Ubuntu | hardy | * |
| Krb5 | Ubuntu | lucid | * |
| Krb5 | Ubuntu | natty | * |
| Krb5 | Ubuntu | oneiric | * |
| Krb5 | Ubuntu | precise | * |
| Krb5 | Ubuntu | quantal | * |
| Krb5 | Ubuntu | upstream | * |
References
- http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest\u0026pass=guest\u0026id=7152
- http://mailman.mit.edu/pipermail/kerberos-announce/2012q2/000136.html
- http://rhn.redhat.com/errata/RHSA-2012-1131.html
- http://web.mit.edu/kerberos/krb5-1.10/
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:102
- http://www.securityfocus.com/bid/53784
- https://bugzilla.redhat.com/show_bug.cgi?id=827517
- https://github.com/krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77b
- https://hermes.opensuse.org/messages/15083635
- http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest\u0026pass=guest\u0026id=7152
- http://mailman.mit.edu/pipermail/kerberos-announce/2012q2/000136.html
- http://rhn.redhat.com/errata/RHSA-2012-1131.html
- http://web.mit.edu/kerberos/krb5-1.10/
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:102
- http://www.securityfocus.com/bid/53784
- https://bugzilla.redhat.com/show_bug.cgi?id=827517
- https://github.com/krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77b
- https://hermes.opensuse.org/messages/15083635