Evince: Stack overflow in included gv code

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200704-06 / evince
Release Date	April 06, 2007
Latest Revision	April 06, 2007: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
app-text/evince	< 0.6.1-r3	>= 0.6.1-r3	All supported architectures

Related bugreports: #156573

Synopsis

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

2. Impact Information

Background

Evince is a document viewer for multiple document formats, including PostScript.

Description

Evince includes code from GNU gv that 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 PostScript document with Evince and possibly execute arbitrary code with the rights of the user running Evince.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Evince users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/evince-0.6.1-r3"

4. References

Updated April 06, 2007

Summary: This is a Gentoo Linux Security Advisory

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