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Gentoo Linux: GLSA-201701-44 Normal: CVS Heap Overflow DoS Threat

gentoo
Calendar Grey January 19, 2017
Dist Gentoo Esm H88
Buffer overflow vulnerability in CVS could allow attackers to run arbitrary code, posing risks for Gentoo Linux systems. Users are strongly urged to update their packages promptly.
A heap-based buffer overflow in CVS might allow remote attackers to execute arbitrary code.

Summary

A heap-based buffer overflow was discovered in the proxy_connect function in src/client.c in CVS.

Topics%20covered

Topics Covered

security advisory denial of service gentoo remote code execution cvs

Resolution

All CVS users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-vcs/cvs-1.12.12-r11"

References

[ 1 ] CVE-2012-0804 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0804

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201701-44
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: CVS: Heap-based overflow
Date: January 19, 2017
Bugs: #402593
ID: 201701-44

Topics%20covered

Topics Covered

security advisory denial of service gentoo remote code execution cvs

Synopsis

A heap-based buffer overflow in CVS might allow remote attackers to execute arbitrary code.

Background

CVS (Concurrent Versions System) is an open-source network-transparent version control system. It contains both a client utility and a server.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-vcs/cvs < 1.12.12-r11 >= 1.12.12-r11

Impact

===== An attacker, utilizing a remote HTTP proxy server, could cause a Denial of Service condition or possibly execute arbitrary code via a crafted HTTP response.

Workaround

There is no known workaround at this time.

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