USN-1112-1: Firefox and Xulrunner vulnerabilities

29 April 2011

firefox, firefox-3.0, firefox-3.5, xulrunner-1.9.2 vulnerabilities

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

  • Ubuntu 10.10
  • Ubuntu 10.04 LTS
  • Ubuntu 9.10
  • Ubuntu 8.04 LTS

Summary

Multiple vulnerabilities in Firefox and Xulrunner

Software Description

  • firefox - safe and easy web browser from Mozilla
  • xulrunner-1.9.2 - XUL + XPCOM application runner
  • firefox-3.5 - safe and easy web browser from Mozilla
  • firefox-3.0 - safe and easy web browser from Mozilla

Details

It was discovered that there was a vulnerability in the memory handling of certain types of content. An attacker could exploit this to possibly run arbitrary code as the user running Firefox. (CVE-2011-0081)

It was discovered that Firefox incorrectly handled certain JavaScript requests. An attacker could exploit this to possibly run arbitrary code as the user running Firefox. (CVE-2011-0069)

Ian Beer discovered a vulnerability in the memory handling of a certain types of documents. An attacker could exploit this to possibly run arbitrary code as the user running Firefox. (CVE-2011-0070)

Bob Clary, Henri Sivonen, Marco Bonardo, Mats Palmgren and Jesse Ruderman discovered several memory vulnerabilities. An attacker could exploit these to possibly run arbitrary code as the user running Firefox. (CVE-2011-0080)

Aki Helin discovered multiple vulnerabilities in the HTML rendering code. An attacker could exploit these to possibly run arbitrary code as the user running Firefox. (CVE-2011-0074, CVE-2011-0075)

Ian Beer discovered multiple overflow vulnerabilities. An attacker could exploit these to possibly run arbitrary code as the user running Firefox. (CVE-2011-0077, CVE-2011-0078)

Martin Barbella discovered a memory vulnerability in the handling of certain DOM elements. An attacker could exploit this to possibly run arbitrary code as the user running Firefox. (CVE-2011-0072)

It was discovered that there were use-after-free vulnerabilities in Firefox’s mChannel and mObserverList objects. An attacker could exploit these to possibly run arbitrary code as the user running Firefox. (CVE-2011-0065, CVE-2011-0066)

It was discovered that there was a vulnerability in the handling of the nsTreeSelection element. An attacker serving malicious content could exploit this to possibly run arbitrary code as the user running Firefox. (CVE-2011-0073)

Paul Stone discovered a vulnerability in the handling of Java applets. An attacker could use this to mimic interaction with form autocomplete controls and steal entries from the form history. (CVE-2011-0067)

Soroush Dalili discovered a vulnerability in the resource: protocol. This could potentially allow an attacker to load arbitrary files that were accessible to the user running Firefox. (CVE-2011-0071)

Chris Evans discovered a vulnerability in Firefox’s XSLT generate-id() function. An attacker could possibly use this vulnerability to make other attacks more reliable. (CVE-2011-1202)

Update instructions

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

Ubuntu 10.10
firefox - 3.6.17+build3+nobinonly-0ubuntu0.10.10.1
xulrunner-1.9.2 - 1.9.2.17+build3+nobinonly-0ubuntu0.10.10.1
Ubuntu 10.04 LTS
firefox - 3.6.17+build3+nobinonly-0ubuntu0.10.04.1
xulrunner-1.9.2 - 1.9.2.17+build3+nobinonly-0ubuntu0.10.04.1
Ubuntu 9.10
firefox - 3.6.17+build3+nobinonly-0ubuntu0.9.10.1
xulrunner-1.9.2 - 1.9.2.17+build3+nobinonly-0ubuntu0.9.10.1
Ubuntu 8.04 LTS
firefox - 3.6.17+build3+nobinonly-0ubuntu0.8.04.1
xulrunner-1.9.2 - 1.9.2.17+build3+nobinonly-0ubuntu0.8.04.1

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

After a standard system update you need to restart Firefox and any applications which use Xulrunner to make all the necessary changes.

References