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

[GLSA]

Gentoo Linux Security Advisory

Title: Speedtouch USB driver: Privilege escalation vulnerability (GLSA 200411-04)
Severity: high
Exploitable: local
Date: November 02, 2004
Bug(s): #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: net-dialup/speedtouch
Vulnerable: < 1.3.1
Unaffected: >= 1.3.1
Architectures: 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: