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Red Hat Enterprise Linux 6: RHSA-2010:0918-01 Moderate: CVS Heap Overflow

red hat
Calendar Grey November 29, 2010
Dist Redhat Esm H88
Make certain that your Red Hat Enterprise Linux 6 installation is fortified with the most recent cvs package update to address the identified security vulnerabilities.
An updated cvs package that fixes one security issue is now available for Red Hat Enterprise Linux 6

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

Summary

Concurrent Version System (CVS) is a version control system that can record the history of your files.
An array index error, leading to a heap-based buffer overflow, was found in the way CVS applied certain delta fragment changes from input files in the RCS (Revision Control System file) format. If an attacker in control of a CVS repository stored a specially-crafted RCS file in that repository, and then tricked a remote victim into checking out (updating their CVS repository tree) a revision containing that file, it could lead to arbitrary code execution with the privileges of the CVS server process on the system hosting the CVS repository. (CVE-2010-3846)
Red Hat would like to thank Ralph Loader for reporting this issue.
All users of cvs are advised to upgrade to this updated package, which contains a backported patch to correct this issue.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux heap overflow moderate risk cvs update

References

https://access.redhat.com/security/cve/CVE-2010-3846 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source:
i386: cvs-1.11.23-11.el6_0.1.i686.rpm cvs-debuginfo-1.11.23-11.el6_0.1.i686.rpm
x86_64: cvs-1.11.23-11.el6_0.1.x86_64.rpm cvs-debuginfo-1.11.23-11.el6_0.1.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source:
x86_64: cvs-1.11.23-11.el6_0.1.x86_64.rpm cvs-debuginfo-1.11.23-11.el6_0.1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
i386: cvs-1.11.23-11.el6_0.1.i686.rpm cvs-debuginfo-1.11.23-11.el6_0.1.i686.rpm
ppc64: cvs-1.11.23-11.el6_0.1.ppc64.rpm cvs-debuginfo-1.11.23-11.el6_0.1.ppc64.rpm
s390x: cvs-1.11.23-11.el6_0.1.s390x.rpm cvs-debuginfo-1.11.23-11.el6_0.1.s390x.rpm
x86_64: cvs-1.11.23-11.el6_0.1.x86_64.rpm cvs-debuginfo-1.11.23-11.el6_0.1.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
i386: cvs-1.11.23-11.el6_0.1.i686.rpm cvs-debuginfo-1.11.23-11.el6_0.1.i686.rpm
x86_64: cvs-1.11.23-11.el6_0.1.x86_64.rpm cvs-debuginfo-1.11.23-11.el6_0.1.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


Advisory ID: RHSA-2010:0918-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2010:0918.html
Issue date: 2010-11-29

Topic

An updated cvs package that fixes one security issue is now available forRed Hat Enterprise Linux 6.The Red Hat Security Response Team has rated this update as having moderatesecurity impact. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available from the CVE link inthe References section.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux heap overflow moderate risk cvs update

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64

Red Hat Enterprise Linux HPC Node (v. 6) - x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

Bugs Fixed

642146 - CVE-2010-3846 cvs: Heap-based buffer overflow by applying RCS file changes

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