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Pound: Buffer overflow vulnerability


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200504-29 / Pound
Release Date April 30, 2005
Latest Revision May 22, 2006: 02
Impact high
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
www-servers/pound < 1.8.3 >= 1.8.3 All supported architectures

Related bugreports: #90851


Pound is vulnerable to a buffer overflow that could lead to the remote execution of arbitrary code.

2.  Impact Information


Pound is a reverse proxy, load balancer and HTTPS front-end.


Steven Van Acker has discovered a buffer overflow vulnerability in the "add_port()" function in Pound.


A remote attacker could send a request for an overly long hostname parameter, which could lead to the remote execution of arbitrary code with the rights of the Pound daemon process (by default, Gentoo uses the "nobody" user to run the Pound daemon).

3.  Resolution Information


There is no known workaround at this time.


All Pound users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=www-servers/pound-1.8.3"

4.  References


Page updated April 30, 2005

Summary: This is a Gentoo Linux Security Advisory

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