USN-2602-1: Firefox vulnerabilities

13 May 2015

firefox vulnerabilities

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

  • Ubuntu 15.04
  • Ubuntu 14.10
  • Ubuntu 14.04 LTS
  • 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

Jesse Ruderman, Mats Palmgren, Byron Campen, Steve Fink, Gary Kwong, Andrew McCreight, Christian Holler, Jon Coppeard, and Milan Sreckovic 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. (CVE-2015-2708, CVE-2015-2709)

Atte Kettunen discovered a buffer overflow during the rendering of SVG content with certain CSS properties in some circumstances. If a user were tricked in to opening a specially crafted website, 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. (CVE-2015-2710)

Alex Verstak discovered that <meta name=“referrer”> is ignored in some circumstances. (CVE-2015-2711)

Dougall Johnson discovered an out of bounds read and write in asm.js. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to obtain sensitive information, cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2015-2712)

Scott Bell discovered a use-afer-free during the processing of text when vertical text is enabled. If a user were tricked in to opening a specially crafted website, 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. (CVE-2015-2713)

Tyson Smith and Jesse Schwartzentruber discovered a use-after-free during shutdown. 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. (CVE-2015-2715)

Ucha Gobejishvili discovered a buffer overflow when parsing compressed XML content. If a user were tricked in to opening a specially crafted website, 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. (CVE-2015-2716)

A buffer overflow and out-of-bounds read were discovered when parsing metadata in MP4 files in some circumstances. If a user were tricked in to opening a specially crafted website, 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. (CVE-2015-2717)

Mark Hammond discovered that when a trusted page is hosted within an iframe in an untrusted page, the untrusted page can intercept webchannel responses meant for the trusted page in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could exploit this to bypass origin restrictions. (CVE-2015-2718)

Update instructions

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

Ubuntu 15.04
firefox - 38.0+build3-0ubuntu0.15.04.1
Ubuntu 14.10
firefox - 38.0+build3-0ubuntu0.14.10.1
Ubuntu 14.04 LTS
firefox - 38.0+build3-0ubuntu0.14.04.1
Ubuntu 12.04 LTS
firefox - 38.0+build3-0ubuntu0.12.04.1

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