Dillo: Format string vulnerability

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200501-11 / Dillo
Release Date	January 09, 2005
Latest Revision	January 09, 2005: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
www-client/dillo	< 0.8.3-r4	>= 0.8.3-r4	All supported architectures

Related bugreports: #76665

Synopsis

Dillo is vulnerable to a format string bug, which may result in the execution of arbitrary code.

2. Impact Information

Background

Dillo is a small and fast multi-platform web browser based on GTK+.

Description

Gentoo Linux developer Tavis Ormandy found a format string bug in Dillo's handling of messages in a_Interface_msg().

Impact

An attacker could craft a malicious web page which, when accessed using Dillo, would trigger the format string vulnerability and potentially execute arbitrary code with the rights of the user running Dillo.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Dillo users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/dillo-0.8.3-r4"

4. References

CAN-2005-0012

Page updated January 09, 2005

Summary: This is a Gentoo Linux Security Advisory

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