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AUSCERT External Security Bulletin Redistribution
Moderate: pki security update
7 December 2012
AusCERT Security Bulletin Summary
Product: Red Hat Certificate System
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Cross-site Scripting -- Remote with User Interaction
Denial of Service -- Existing Account
CVE Names: CVE-2012-4556 CVE-2012-4555 CVE-2012-4543
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Red Hat Security Advisory
Synopsis: Moderate: pki security update
Advisory ID: RHSA-2012:1550-01
Product: Red Hat Certificate System
Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-1550.html
Issue date: 2012-12-06
CVE Names: CVE-2012-4543 CVE-2012-4555 CVE-2012-4556
Updated pki-common and pki-tps packages that fix multiple security issues
are now available for Red Hat Certificate System 8.1.
The Red Hat Security Response Team has rated this update as having moderate
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 Certificate System 8 - i386, noarch, x86_64
Red Hat Certificate System (RHCS) is an enterprise software system designed
to manage enterprise Public Key Infrastructure (PKI) deployments.
Multiple cross-site scripting flaws were discovered in the Red Hat
Certificate System. An attacker could use these flaws to perform a
cross-site scripting (XSS) attack against victims using Certificate
System's web interface. (CVE-2012-4543)
Multiple denial of service flaws were found in the Red Hat Certificate
System token processing. A Certificate System user could use these flaws
to crash the Apache httpd web server child process, possibly interrupting
the processing of other users' requests. (CVE-2012-4555, CVE-2012-4556)
Red Hat would like to thank Patrick Raspante and Ryan Millay of GDC4S for
reporting the CVE-2012-4555 and CVE-2012-4556 issues.
All users of Red Hat Certificate System are advised to upgrade to these
updated packages, which correct these issues. After installing this update,
all Red Hat Certificate System subsystems must be restarted ("/etc/init.d
/[instance-name] restart") for the update to take effect.
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
5. Bugs fixed (http://bugzilla.redhat.com/):
864397 - CVE-2012-4543 Certificate System: Multiple cross-site scripting flaws by displaying CRL or processing profile
869570 - CVE-2012-4555 pki-tps: Temporary denial of service on interrupted token format operations
869579 - CVE-2012-4556 pki-tps: Connection reset when performing empty certificate search in TPS
6. Package List:
Red Hat Certificate System 8:
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is <email@example.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2012 Red Hat, Inc.
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