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[RHSA-2014:0149-01] Moderate: gc security update



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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: gc security update
Advisory ID:       RHSA-2014:0149-01
Product:           Red Hat Satellite
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2014-0149.html
Issue date:        2014-02-10
CVE Names:         CVE-2012-2673 
=====================================================================

1. Summary:

Updated gc packages that fix one security issue are now available for Red
Hat Satellite 5.6.

The Red Hat Security Response Team has rated this update as having Moderate
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 Satellite 5.6 (RHEL v.5) - s390x, x86_64

3. Description:

Red Hat Satellite is a systems management tool for Linux-based
infrastructures. It allows for provisioning, remote management and
monitoring of multiple Linux deployments with a single, centralized tool.

gc is a Boehm-Demers-Weiser conservative garbage collector for C and C++.

It was discovered that gc's implementation of the malloc() and calloc()
routines did not properly perform parameter sanitization when allocating
memory. If an application using gc did not implement application-level
validity checks for the malloc() and calloc() routines, a remote attacker
could provide specially crafted application-specific input, which, when
processed by the application, could lead to an application crash or,
potentially, arbitrary code execution with the privileges of the user
running the application. (CVE-2012-2673)

Users of Red Hat Satellite 5.6 are advised to upgrade to these updated
packages, which contain a backported patch to correct this issue. For this
update to take effect, Red Hat Satellite must be restarted. Refer to the
Solution section for details.

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/site/articles/11258

Run the following command to restart the Red Hat Satellite server:

# rhn-satellite restart

5. Bugs fixed (https://bugzilla.redhat.com/):

828878 - CVE-2012-2673 gc: malloc() and calloc() overflows

6. Package List:

Red Hat Satellite 5.6 (RHEL v.5):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/RHNSAT/SRPMS/gc-7.1-12.2.el5sat.src.rpm

s390x:
gc-7.1-12.2.el5sat.s390x.rpm
gc-debuginfo-7.1-12.2.el5sat.s390x.rpm

x86_64:
gc-7.1-12.2.el5sat.x86_64.rpm
gc-debuginfo-7.1-12.2.el5sat.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/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2012-2673.html
https://access.redhat.com/security/updates/classification/#moderate

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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