Friday, November 05, 2004

libxml2 Venurability

This for my Developer friends.

Synopsis

libxml2 contains multiple buffer overflows which could lead to the execution of arbitrary code.

Impact Information

Background

libxml2 is an XML parsing library written in C.

Description

Multiple buffer overflows have been detected in the nanoftp and nanohttp modules. These modules are responsible for parsing URLs with ftp information, and resolving names via DNS.

Impact

An attacker could exploit an application that uses libxml2 by forcing it to parse a specially-crafted XML file, potentially causing remote execution of arbitrary code.

Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All libxml2 users should upgrade to the latest version:

If you are using Gentoo you can do it like


# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/libxml2-2.6.15"


This venurability was posted by Gentoo at Gentoo Linux Security Advisory

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