SUS: Local root vulnerability

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200409-17 / SUS
Release Date	September 14, 2004
Latest Revision	May 22, 2006: 02
Impact	high
Exploitable	local

Package	Vulnerable versions	Unaffected versions	Architecture(s)
app-admin/sus	< 2.0.2-r1	>= 2.0.2-r1	All supported architectures

Related bugreports: #63927

Synopsis

SUS contains a string format bug that could lead to local privilege escalation.

2. Impact Information

Background

SUS is a utility that allows regular users to be able to execute certain commands as root.

Description

Leon Juranic found a bug in the logging functionality of SUS that can lead to local privilege escalation. A format string vulnerability exists in the log() function due to an incorrect call to the syslog() function.

Impact

An attacker with local user privileges can potentially exploit this vulnerability to gain root access.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All SUS users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge sync

# emerge -pv ">=app-admin/sus-2.0.2-r1"
# emerge ">=app-admin/sus-2.0.2-r1"

4. References

Page updated September 14, 2004

Summary: This is a Gentoo Linux Security Advisory

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