1. Gentoo Linux Security Advisory
| Advisory Reference | GLSA 200405-23 / Heimdal |
| Release Date | May 27, 2004 |
| Latest Revision | May 27, 2004: 01 |
| Impact | high |
| Exploitable | remote |
| Package | Vulnerable versions | Unaffected versions | Architecture(s) |
| app-crypt/heimdal | < 0.6.2 | >= 0.6.2 | All supported architectures |
Related bugreports: #50208
A possible buffer overflow in the Kerberos 4 component of Heimdal has been discovered.
Heimdal is a free implementation of Kerberos.
A buffer overflow was discovered in kadmind, a server for administrative access to the Kerberos database.
By sending a specially formatted message to kadmind, a remote attacker may be able to crash kadmind causing a denial of service, or execute arbitrary code with the permissions of the kadmind process.
For a temporary workaround, providing you do not require Kerberos 4 support, you may turn off Kerberos 4 kadmin by running kadmind with the --no-kerberos4 option.
All Heimdal users should upgrade to the latest stable version:
Code Listing 3.1: Resolution |
# emerge sync # emerge -pv ">=app-crypt/heimdal-0.6.2" # emerge ">=app-crypt/heimdal-0.6.2" |