CVE-2012-3444 Information

Description

The get_image_dimensions function in the image-handling functionality in Django before 1.3.2 and 1.4.x before 1.4.1 uses a constant chunk size in all attempts to determine dimensions which allows remote attackers to cause a denial of service (process or thread consumption) via a large TIFF image.

Reference

http://www.debian.org/security/2012/dsa-2529 http://www.mandriva.com/security/advisories?name=MDVSA-2012:143 http://www.openwall.com/lists/oss-security/2012/07/31/1 http://www.openwall.com/lists/oss-security/2012/07/31/2 http://www.ubuntu.com/usn/USN-1560-1 https://www.djangoproject.com/weblog/2012/jul/30/security-releases-issued/