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Red Hat Security Advisory
Synopsis: Important: mod_auth_mellon security update
Advisory ID: RHSA-2014:1803-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-1803.html
Issue date: 2014-11-05
CVE Names: CVE-2014-8566 CVE-2014-8567
=====================================================================
1. Summary:
An updated mod_auth_mellon package that fixes two security issues is now
available for Red Hat Enterprise Linux 6.
Red Hat Product Security has rated this update as having Important security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Server (v. 6) – i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) – i386, x86_64
3. Description:
mod_auth_mellon provides a SAML 2.0 authentication module for the Apache
HTTP Server.
An information disclosure flaw was found in mod_auth_mellon’s session
handling that could lead to sessions overlapping in memory. A remote
attacker could potentially use this flaw to obtain data from another user’s
session. (CVE-2014-8566)
It was found that uninitialized data could be read when processing a user’s
logout request. By attempting to log out, a user could possibly cause the
Apache HTTP Server to crash. (CVE-2014-8567)
Red Hat would like to thank the mod_auth_mellon team for reporting these
issues. Upstream acknowledges Matthew Slowe as the original reporter of
CVE-2014-8566.
All users of mod_auth_mellon are advised to upgrade to this updated
package, which contains a backported patch to correct these issues.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1157281 – CVE-2014-8566 mod_auth_mellon: remote memory disclosure flaw
1157954 – CVE-2014-8567 mod_auth_mellon: logout processing leads to denial of service
6. Package List:
Red Hat Enterprise Linux Server (v. 6):
Source:
mod_auth_mellon-0.8.0-3.el6_6.src.rpm
i386:
mod_auth_mellon-0.8.0-3.el6_6.i686.rpm
mod_auth_mellon-debuginfo-0.8.0-3.el6_6.i686.rpm
ppc64:
mod_auth_mellon-0.8.0-3.el6_6.ppc64.rpm
mod_auth_mellon-debuginfo-0.8.0-3.el6_6.ppc64.rpm
s390x:
mod_auth_mellon-0.8.0-3.el6_6.s390x.rpm
mod_auth_mellon-debuginfo-0.8.0-3.el6_6.s390x.rpm
x86_64:
mod_auth_mellon-0.8.0-3.el6_6.x86_64.rpm
mod_auth_mellon-debuginfo-0.8.0-3.el6_6.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
mod_auth_mellon-0.8.0-3.el6_6.src.rpm
i386:
mod_auth_mellon-0.8.0-3.el6_6.i686.rpm
mod_auth_mellon-debuginfo-0.8.0-3.el6_6.i686.rpm
x86_64:
mod_auth_mellon-0.8.0-3.el6_6.x86_64.rpm
mod_auth_mellon-debuginfo-0.8.0-3.el6_6.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2014-8566
https://access.redhat.com/security/cve/CVE-2014-8567
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2014 Red Hat, Inc.
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