USN-1822-1: Firefox vulnerabilities

14 May 2013

firefox vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 13.04
  • Ubuntu 12.10
  • Ubuntu 12.04 LTS

Summary

Firefox could be made to crash or run programs as your login if it opened a malicious website.

Software Description

  • firefox - Mozilla Open Source web browser

Details

Multiple memory safety issues were discovered in Firefox. If the user were tricked into opening a specially crafted page, an attacker could possibly exploit these to cause a denial of service via application crash, or potentially execute code with the privileges of the user invoking Firefox. (CVE-2013-0801, CVE-2013-1669)

Cody Crews discovered that some constructors could be used to bypass restrictions enforced by their Chrome Object Wrapper (COW). An attacker could exploit this to conduct cross-site scripting (XSS) attacks. (CVE-2013-1670)

It was discovered that the file input element could expose the full local path under certain conditions. An attacker could potentially exploit this to steal sensitive information. (CVE-2013-1671)

A use-after-free was discovered when resizing video content whilst it is playing. An attacker could potentially exploit this to execute code with the privileges of the user invoking Firefox. (CVE-2013-1674)

It was discovered that some DOMSVGZoomEvent functions could be used without being properly initialized, which could lead to information leakage. (CVE-2013-1675)

Abhishek Arya discovered multiple memory safety issues in Firefox. If the user were tricked into opening a specially crafted page, an attacker could possibly exploit these to cause a denial of service via application crash, or potentially execute code with the privileges of the user invoking Firefox. (CVE-2013-1676, CVE-2013-1677, CVE-2013-1678, CVE-2013-1679, CVE-2013-1680, CVE-2013-1681)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 13.04
firefox - 21.0+build2-0ubuntu0.13.04.2
Ubuntu 12.10
firefox - 21.0+build2-0ubuntu0.12.10.2
Ubuntu 12.04 LTS
firefox - 21.0+build2-0ubuntu0.12.04.3

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart Firefox to make all the necessary changes.

References