GLSA 200406-22: Pavuk: Remote buffer overflow

http://security.gentoo.org/

Severity:	high
Title:	Pavuk: Remote buffer overflow
Date:	06/30/2004
Bugs:
ID:	200406-22

Synopsis

Pavuk contains a bug potentially allowing an attacker to run arbitrary code.

Background

Pavuk is web spider and website mirroring tool.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-misc/pavuk	<= 0.9.28-r1	>= 0.9.28-r2	All supported architectures

Description

When Pavuk connects to a web server and the server sends back the HTTP status code 305 (Use Proxy), Pavuk copies data from the HTTP Location header in an unsafe manner.

Impact

An attacker could cause a stack-based buffer overflow which could lead to arbitrary code execution with the rights of the user running Pavuk.

Workaround

There is no known workaround at this time. All users are encouraged to upgrade to the latest available version.

Resolution

All Pavuk users should upgrade to the latest stable version:

    # emerge sync
    
    # emerge -pv ">=net-misc/pavuk-0.9.28-r2"
    # emerge ">="net-misc/pavuk-0.9.28-r2

References

CVE-2004-0456

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200406-22.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.