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AUSCERT External Security Bulletin Redistribution
ESB-2013.1036
Low: sos security update
31 July 2013
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AusCERT Security Bulletin Summary
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Product: sos
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 5
Red Hat Enterprise Linux WS/Desktop 5
Impact/Access: Root Compromise -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2012-2664
Reference: ESB-2012.0589
Original Bulletin:
https://rhn.redhat.com/errata/RHSA-2013-1121.html
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Red Hat Security Advisory
Synopsis: Low: sos security update
Advisory ID: RHSA-2013:1121-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-1121.html
Issue date: 2013-07-30
CVE Names: CVE-2012-2664
=====================================================================
1. Summary:
An updated sos package that fixes one security issue is now available for
Red Hat Enterprise Linux 5.
The Red Hat Security Response Team has rated this update as having low
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux (v. 5 server) - noarch
Red Hat Enterprise Linux Desktop (v. 5 client) - noarch
3. Description:
The sos package contains a set of tools that gather information from system
hardware, logs and configuration files. The information can then be used
for diagnostic purposes and debugging.
The sosreport utility collected the Kickstart configuration file
("/root/anaconda-ks.cfg"), but did not remove the root user's password from
it before adding the file to the resulting archive of debugging
information. An attacker able to access the archive could possibly use this
flaw to obtain the root user's password. "/root/anaconda-ks.cfg" usually
only contains a hash of the password, not the plain text password.
(CVE-2012-2664)
Note: This issue affected all installations, not only systems installed via
Kickstart. A "/root/anaconda-ks.cfg" file is created by all installation
types.
The utility also collects yum repository information from
"/etc/yum.repos.d" which in uncommon configurations may contain passwords.
Any http_proxy password specified in these files will now be automatically
removed. Passwords embedded within URLs in these files should be manually
removed or the files excluded from the archive.
All users of sos are advised to upgrade to this updated package, which
contains a backported patch to correct this issue.
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/knowledge/articles/11258
5. Bugs fixed (http://bugzilla.redhat.com/):
826884 - CVE-2012-2664 sosreport does not blank root password in anaconda plugin
965807 - sosreport does not blankout password in anaconda-ks.cfg and yum.repo
6. Package List:
Red Hat Enterprise Linux Desktop (v. 5 client):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/sos-1.7-9.62.el5_9.1.src.rpm
noarch:
sos-1.7-9.62.el5_9.1.noarch.rpm
Red Hat Enterprise Linux (v. 5 server):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/sos-1.7-9.62.el5_9.1.src.rpm
noarch:
sos-1.7-9.62.el5_9.1.noarch.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/#package
7. References:
https://www.redhat.com/security/data/cve/CVE-2012-2664.html
https://access.redhat.com/security/updates/classification/#low
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2013 Red Hat, Inc.
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