GLSA 200411-12: zgv: Multiple buffer overflows

http://security.gentoo.org/

Severity:	normal
Title:	zgv: Multiple buffer overflows
Date:	11/07/2004
Bugs:	#69150
ID:	200411-12

Synopsis

zgv contains multiple buffer overflows that can potentially lead to the execution of arbitrary code.

Background

zgv is a console image viewer based on svgalib.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
media-gfx/zgv	< 5.8	>= 5.8	All supported architectures

Description

Multiple arithmetic overflows have been detected in the image processing code of zgv.

Impact

An attacker could entice a user to open a specially-crafted image file, potentially resulting in execution of arbitrary code with the rights of the user running zgv.

Workaround

There is no known workaround at this time.

Resolution

All zgv users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-gfx/zgv-5.8"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200411-12.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 security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.