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CVE-2014-1564

Status Candidate

Overview

Mozilla Firefox before 32.0, Firefox ESR 31.x before 31.1, and Thunderbird 31.x before 31.1 do not properly initialize memory for GIF rendering, which allows remote attackers to obtain sensitive information from process memory via crafted web script that interacts with a CANVAS element associated with a malformed GIF image.

Related Files

Ubuntu Security Notice USN-2330-1
Posted Sep 12, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2330-1 - Jan de Mooij, Christian Holler, Karl Tomlinson, Randell Jesup, Gary Kwong, Jesse Ruderman and JW Wang discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Thunderbird. Abhishek Arya discovered a use-after-free during DOM interactions with SVG. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking Thunderbird. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2014-1553, CVE-2014-1562, CVE-2014-1563, CVE-2014-1564, CVE-2014-1565, CVE-2014-1567
MD5 | 77c400fc162cfc49643ef5797ee0d599
Mozilla Firefox Secret Leak
Posted Sep 3, 2014
Authored by Michal Zalewski

The recent release of Firefox 32 fixes another interesting image parsing issue found by afl. Following a refactoring of memory management code, the past few versions of the browser ended up using uninitialized memory for certain types of truncated images, which is easily measurable with a simple <canvas> + toDataURL() harness that examines all the fuzzer-generated test cases. Depending on a variety of factors, problems like that may leak secrets across web origins, or more prosaically, may help attackers bypass security measures such as ASLR. This code is a proof of concept for versions prior to 32.

tags | exploit, web, proof of concept, fuzzer
advisories | CVE-2014-1564
MD5 | 2235bb65ae6abe2af194f34a079a0f08
Ubuntu Security Notice USN-2329-1
Posted Sep 2, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2329-1 - Jan de Mooij, Christian Holler, Karl Tomlinson, Randell Jesup, Gary Kwong, Jesse Ruderman, JW Wang and David Weir discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox. Abhishek Arya discovered a use-after-free during DOM interactions with SVG. If a user were tricked in to opening a specially crafted page, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking Firefox. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2014-1553, CVE-2014-1554, CVE-2014-1562, CVE-2014-1563, CVE-2014-1564, CVE-2014-1565, CVE-2014-1567
MD5 | 975c657d833408da0183f602ac181f3b
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