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Security Advisory Low: mod_auth_kerb security update

Advisory: RHSA-2006:0746-2
Type: Security Advisory
Severity: Low
Issued on: 2006-12-06
Last updated on: 2006-12-06
Affected Products: Red Hat Desktop (v. 4)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux WS (v. 4)
CVEs (cve.mitre.org): CVE-2006-5989

Details

Updated mod_auth_kerb packages that fix a security flaw and a bug in
multiple realm handling are now available for Red Hat Enterprise Linux 4.

This update has been rated as having low security impact by the Red Hat
Security Response Team.

mod_auth_kerb is module for the Apache HTTP Server designed to
provide Kerberos authentication over HTTP.

An off by one flaw was found in the way mod_auth_kerb handles certain
Kerberos authentication messages. A remote client could send a specially
crafted authentication request which could crash an httpd child process
(CVE-2006-5989).

A bug in the handling of multiple realms configured using the
"KrbAuthRealms" directive has also been fixed.

All users of mod_auth_kerb should upgrade to these updated packages, which
contain backported patches that resolve these issues.


Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via Red Hat Network. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

Updated packages

Red Hat Desktop (v. 4)

SRPMS:
mod_auth_kerb-5.0-1.3.src.rpm     MD5: 24131bdecf30d669d2fb2692dbcfad27
 
IA-32:
mod_auth_kerb-5.0-1.3.i386.rpm     MD5: 1d5e62b7225a6e2000af86b789045413
 
x86_64:
mod_auth_kerb-5.0-1.3.x86_64.rpm     MD5: f586b2f0183882e66b848020a0226b9c
 
Red Hat Enterprise Linux AS (v. 4)

SRPMS:
mod_auth_kerb-5.0-1.3.src.rpm     MD5: 24131bdecf30d669d2fb2692dbcfad27
 
IA-32:
mod_auth_kerb-5.0-1.3.i386.rpm     MD5: 1d5e62b7225a6e2000af86b789045413
 
IA-64:
mod_auth_kerb-5.0-1.3.ia64.rpm     MD5: 443b99ef514df01db87733b155f93650
 
PPC:
mod_auth_kerb-5.0-1.3.ppc.rpm     MD5: 5436a1f27cf066c1726129704acc40cd
 
s390:
mod_auth_kerb-5.0-1.3.s390.rpm     MD5: 2fcd997ce2d9993f1cf3a934be8495c9
 
s390x:
mod_auth_kerb-5.0-1.3.s390x.rpm     MD5: e689f54999dd02f97d39ac840f009ede
 
x86_64:
mod_auth_kerb-5.0-1.3.x86_64.rpm     MD5: f586b2f0183882e66b848020a0226b9c
 
Red Hat Enterprise Linux ES (v. 4)

SRPMS:
mod_auth_kerb-5.0-1.3.src.rpm     MD5: 24131bdecf30d669d2fb2692dbcfad27
 
IA-32:
mod_auth_kerb-5.0-1.3.i386.rpm     MD5: 1d5e62b7225a6e2000af86b789045413
 
IA-64:
mod_auth_kerb-5.0-1.3.ia64.rpm     MD5: 443b99ef514df01db87733b155f93650
 
x86_64:
mod_auth_kerb-5.0-1.3.x86_64.rpm     MD5: f586b2f0183882e66b848020a0226b9c
 
Red Hat Enterprise Linux WS (v. 4)

SRPMS:
mod_auth_kerb-5.0-1.3.src.rpm     MD5: 24131bdecf30d669d2fb2692dbcfad27
 
IA-32:
mod_auth_kerb-5.0-1.3.i386.rpm     MD5: 1d5e62b7225a6e2000af86b789045413
 
IA-64:
mod_auth_kerb-5.0-1.3.ia64.rpm     MD5: 443b99ef514df01db87733b155f93650
 
x86_64:
mod_auth_kerb-5.0-1.3.x86_64.rpm     MD5: f586b2f0183882e66b848020a0226b9c
 
(The unlinked packages above are only available from the Red Hat Network)

Bugs fixed (see bugzilla for more information)

216482 - CVE-2006-5989 mod_auth_kerb segfault with FC6 client


References



These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from:
https://www.redhat.com/security/team/key/#package

The Red Hat security contact is secalert@redhat.com. More contact details at http://www.redhat.com/security/team/contact/