USN-1121-1: Firefox vulnerabilities

30 April 2011

Firefox vulnerabilities

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

  • Ubuntu 11.04

Summary

Multiple firefox vulnerabilities

Software Description

  • firefox - Safe and easy web browser from Mozilla

Details

Boris Zbarsky, Gary Kwong, Jesse Ruderman, Michael Wu, and Ted Mielczarek discovered multiple memory vulnerabilities. An attacker could exploit these to possibly run arbitrary code as the user running Firefox. (CVE-2011-0079)

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)

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 11.04
firefox - 4.0.1+build1+nobinonly-0ubuntu0.11.04.1

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