Vinagre: User-assisted execution of arbitrary code

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200903-01 / vinagre
Release Date	March 06, 2009
Latest Revision	March 06, 2009: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-misc/vinagre	< 0.5.2	>= 0.5.2	All supported architectures

Related bugreports: #250314

Synopsis

A format string error in Vinagre may allow for the execution of arbitrary code.

2. Impact Information

Background

Vinagre is a VNC Client for the GNOME Desktop.

Description

Alfredo Ortega (Core Security Technologies) reported a format string error in the vinagre_utils_show_error() function in src/vinagre-utils.c.

Impact

A remote attacker could entice a user into opening a specially crafted .vnc file or connecting to a malicious server, possibly resulting in the remote execution of arbitrary code with the privileges of the user running the application.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Vinagre users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/vinagre-0.5.2"

4. References

CVE-2008-5660

Page updated March 06, 2009

Summary: This is a Gentoo Linux Security Advisory

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