[arch-security] [ASA-201703-5] libxslt: arbitrary code execution

[Remi Gacogne]

Arch Linux Security Advisory ASA-201703-5
=========================================

Severity: Critical
Date    : 2017-03-12
CVE-ID  : CVE-2017-5029
Package : libxslt
Type    : arbitrary code execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-195

Summary
=======

The package libxslt before version 1.1.29+41+gdf5330d1-1 is vulnerable
to arbitrary code execution.

Resolution
==========

Upgrade to 1.1.29+41+gdf5330d1-1.

# pacman -Syu "libxslt>=1.1.29+41+gdf5330d1-1"

The problem has been fixed upstream but no release is available yet.

Workaround
==========

None.

Description
===========

An integer overflow issue has been found in libxslt, leading to an out
of bounds write on 64-bit systems.

Impact
======

A remote attacker might be able to execute arbitrary code on the
affected host.

References
==========

https://bugs.archlinux.org/task/53257
https://chromereleases.googleblog.com/2017/03/stable-channel-update-for-desktop.html
https://git.gnome.org/browse/libxslt/commit/?id=08ab2774b870de1c7b5a48693df75e8154addae5
https://crbug.com/676623
https://security.archlinux.org/CVE-2017-5029

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