GNU gv: Stack overflow

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200611-20 / gv
Release Date	November 24, 2006
Latest Revision	November 24, 2006: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
app-text/gv	< 3.6.2-r1	>= 3.6.2-r1	All supported architectures

Related bugreports: #154573

Synopsis

GNU gv improperly handles user-supplied data possibly allowing for the execution of arbitrary code.

2. Impact Information

Background

GNU gv is a viewer for PostScript and PDF documents.

Description

GNU gv does not properly boundary check user-supplied data before copying it into process buffers.

Impact

An attacker could entice a user to open a specially crafted document with GNU gv and execute arbitrary code with the rights of the user on the system.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All gv users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/gv-3.6.2-r1"

4. References

CVE-2006-5864

Updated November 24, 2006

Summary: This is a Gentoo Linux Security Advisory

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