GLSA 200411-04: Speedtouch USB driver: Privilege escalation vulnerability

http://security.gentoo.org/

Severity:	high
Title:	Speedtouch USB driver: Privilege escalation vulnerability
Date:	11/02/2004
Bugs:	#68436
ID:	200411-04

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

Package	Vulnerable	Unaffected	Architecture(s)
net-dialup/speedtouch	< 1.3.1	>= 1.3.1	All supported architectures

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

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 https://bugs.gentoo.org.