GLSA 201006-02: CamlImages: User-assisted execution of arbitrary code

http://security.gentoo.org/

Severity:	normal
Title:	CamlImages: User-assisted execution of arbitrary code
Date:	06/01/2010
Bugs:	#276235, #290222
ID:	201006-02

Synopsis

Multiple integer overflows in CamlImages might result in the remote execution of arbitrary code.

Background

CamlImages is an image processing library for Objective Caml.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-ml/camlimages	< 3.0.2	>= 3.0.2	All supported architectures

Description

Tielei Wang reported multiple integer overflows, possibly leading to heap-based buffer overflows in the (1) read_png_file() and read_png_file_as_rgb24() functions, when processing a PNG image (CVE-2009-2295) and (2) gifread.c and jpegread.c files when processing GIF or JPEG images (CVE-2009-2660).

Other integer overflows were also found in tiffread.c (CVE-2009-3296).

Impact

A remote attacker could entice a user to open a specially crafted, overly large PNG, GIF, TIFF, or JPEG image using an application that uses the CamlImages library, possibly resulting in the execution of arbitrary code with the privileges of the user running the application.

Workaround

There is no known workaround at this time.

Resolution

All CamlImages users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose =dev-ml/camlimages-3.0.2

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201006-02.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.