Qt: Untrusted library search path — GLSA 200503-01

Qt may load shared libraries from an untrusted, world-writable directory, resulting in the execution of arbitrary code.

Affected Packages

x11-libs/qt on all architectures
Affected versions < 3.3.4-r2
Unaffected versions >= 3.3.4-r2

Background

Qt is a cross-platform GUI toolkit used by KDE.

Description

Tavis Ormandy of the Gentoo Linux Security Audit Team has discovered that Qt searches for shared libraries in an untrusted, world-writable directory.

Impact

A local attacker could create a malicious shared object that would be loaded by Qt, resulting in the execution of arbitrary code with the privileges of the Qt application.

Workaround

There is no known workaround at this time.

Resolution

All Qt users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=x11-libs/qt-3.3.4-r2"

References

Release Date
March 01, 2005

Latest Revision
May 22, 2006: 02

Severity
normal

Exploitable
local

Bugzilla entries