GLSA 200704-17: 3proxy: Buffer overflow

http://security.gentoo.org/

Severity:	high
Title:	3proxy: Buffer overflow
Date:	04/22/2007
Bugs:	#174429
ID:	200704-17

Synopsis

A vulnerability has been discovered in 3proxy allowing for the remote execution of arbitrary code.

Background

3proxy is a multi-protocol proxy, including HTTP/HTTPS/FTP and SOCKS support.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-proxy/3proxy	< 0.5.3h	>= 0.5.3h	All supported architectures

Description

The 3proxy development team reported a buffer overflow in the logurl() function when processing overly long requests.

Impact

A remote attacker could send a specially crafted transparent request to the proxy, resulting in the execution of arbitrary code with privileges of the user running 3proxy.

Workaround

There is no known workaround at this time.

Resolution

All 3proxy users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-proxy/3proxy-0.5.3h"

References

CVE-2007-2031

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200704-17.xml

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.