GLSA 200808-06: libxslt: Execution of arbitrary code

http://security.gentoo.org/

Severity:	normal
Title:	libxslt: Execution of arbitrary code
Date:	08/06/2008
Bugs:	#232172
ID:	200808-06

Synopsis

libxslt is affected by a heap-based buffer overflow, possibly leading to the execution of arbitrary code.

Background

libxslt is the XSLT C library developed for the GNOME project. XSLT is an XML language to define transformations for XML.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-libs/libxslt	< 1.1.24-r1	>= 1.1.24-r1	All supported architectures

Description

Chris Evans (Google Security) reported that the libexslt library that is part of libxslt is affected by a heap-based buffer overflow in the RC4 encryption/decryption functions.

Impact

A remote attacker could entice a user to process an XML file using a specially crafted XSLT stylesheet in an application linked against libxslt, possibly leading to the execution of arbitrary code with the privileges of the user running the application.

Workaround

There is no known workaround at this time.

Resolution

All libxslt users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-libs/libxslt-1.1.24-r1"

References

CVE-2008-2935

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200808-06.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.