GLSA 200411-04: Speedtouch USB driver: Privilege escalation
Posted on: 11/02/2004 09:52 AM

An updated Speedtouch USB driver has been released for Gentoo Linux

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Gentoo Linux Security Advisory GLSA 200411-04
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http://security.gentoo.org/
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Severity: High
Title: Speedtouch USB driver: Privilege escalation vulnerability
Date: November 02, 2004
Bugs: #68436
ID: 200411-04

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Synopsis
========

A vulnerability in the Speedtouch USB driver can be exploited to allow local users to execute arbitrary code with escalated privileges.

Background
==========

The speedtouch package contains a driver for the ADSL SpeedTouch USB modem.

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

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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-dialup/speedtouch < 1.3.1 >= 1.3.1

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

The Speedtouch USB driver contains multiple format string vulnerabilities in modem_run, pppoa2 and pppoa3. This flaw is due to an improperly made syslog() system call.

Impact
======

A malicious local user could exploit this vulnerability by causing a buffer overflow, and potentially allowing the execution of arbitrary code with escalated privileges.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Speedtouch USB driver users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dialup/speedtouch-1.3.1"

References
==========

[ 1 ] CAN-2004-0834
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0834
[ 2 ] Speedtouch Project News Announcements
http://speedtouch.sourceforge.net/index.php?/news.en.html

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

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

http://security.gentoo.org/glsa/glsa-200411-04.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 2004 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/1.0


Printed from Linux Compatible (http://www.linuxcompatible.org/news/story/glsa_200411_04_speedtouch_usb_driver_privilege_escalation.html)