GLSA 200701-17 libgtop: Privilege escalation
Posted on: 01/23/2007 10:35 AM

A new security update has been released for Gentoo Linux - libgtop: Privilege escalation. Here the announcement:

Gentoo Linux Security Advisory GLSA 200701-17
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: Normal
Title: libgtop: Privilege escalation
Date: January 23, 2007
Bugs: #162169
ID: 200701-17

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========

libgtop improperly handles filenames, possibly allowing for the
execution of arbitrary code.

Background
==========

libgtop facilitates the libgtop_daemon, which is used by GNOME to
obtain information about remote systems.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 gnome-base/libgtop lt; 2.14.6 gt;= 2.14.6

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

Liu Qishuai discovered that glibtop_get_proc_map_s() in
sysdeps/linux/procmap.c does not properly allocate memory for storing a
filename, allowing certain filenames to cause the buffer to overflow on
the stack.

Impact
======

By tricking a victim into executing an application that uses the
libgtop library (e.g. libgtop_daemon or gnome-system-monitor), a local
attacker could specify a specially crafted filename to be used by
libgtop causing a buffer overflow and possibly execute arbitrary code
with the rights of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libgtop users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose "gt;=gnome-base/libgtop-2.14.6"

References
==========

[ 1 ] CVE-2007-0235
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0235

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200701-17.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
http://bugs.gentoo.org.

License
=======

Copyright 2007 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5



Printed from Linux Compatible (http://www.linuxcompatible.org/news/story/glsa_200701_17_libgtop_privilege_escalation.html)