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Gentoo: GLSA-201311-11 Normal: CTorrent Remote Code Execute Threat

gentoo
Calendar Grey November 20, 2013
Dist Gentoo Esm H88
A critical vulnerability in CTorrent exposes Gentoo users to a remote code execution threat via a stack-based buffer overflow. Users are strongly urged to apply updates immediately.
A stack-based buffer overflow in CTorrent might allow a remote attacker to execute arbitrary code or cause a Denial of Service condition.

Summary

CTorrent contains a stack-based buffer overflow in the btFiles::BuildFromMI function in trunk/btfiles.cpp.

Topics%20covered

Topics Covered

security advisory gentoo buffer overflow remote exploit code execution normal severity torrent client

Resolution

All CTorrent users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-p2p/ctorren-3.3.2-r1"

References

[ 1 ] CVE-2009-1759 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-1759

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201311-11
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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: CTorrent: User-assisted arbitrary code execution
Date: November 20, 2013
Bugs: #266953
ID: 201311-11

Topics%20covered

Topics Covered

security advisory gentoo buffer overflow remote exploit code execution normal severity torrent client

Synopsis

A stack-based buffer overflow in CTorrent might allow a remote attacker to execute arbitrary code or cause a Denial of Service condition.

Background

CTorrent is a BitTorrent client implemented in C++ to be lightweight and quick.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-p2p/ctorrent < 3.3.2-r1 >= 3.3.2-r1

Impact

===== A remote attacker could entice a user to open a specially crafted torrent file using CTorrent, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.

Workaround

There is no known workaround at this time.

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