[ GLSA 200812-01 ] OptiPNG: User-assisted execution of arbitrary code

2008-12-0400:00:00

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Gentoo Linux Security Advisory GLSA 200812-01

                                        http://security.gentoo.org/

Severity: Normal
Title: OptiPNG: User-assisted execution of arbitrary code
Date: December 02, 2008
Bugs: #246522
ID: 200812-01

Synopsis

A vulnerability in OptiPNG might result in user-assisted execution of
arbitrary code.

Background

OptiPNG is a PNG optimizer that recompresses image files to a smaller
size, without losing any information.

Affected packages

-------------------------------------------------------------------
 Package            /  Vulnerable  /                    Unaffected
-------------------------------------------------------------------

1 media-gfx/optipng < 0.6.2 >= 0.6.2

Description

A buffer overflow in the BMP reader in OptiPNG has been reported.

Impact

A remote attacker could entice a user to process a specially crafted
BMP image, possibly resulting in the execution of arbitrary code with
the privileges of the user running the application, or a Denial of
Service.

Workaround

There is no known workaround at this time.

Resolution

All OptiPNG users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=media-gfx/optipng-0.6.2&quot;

References

[ 1 ] CVE-2008-5101
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5101

Availability

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200812-01.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
[email protected] or alternatively, you may file a bug at
http://bugs.gentoo.org.