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Ubuntu Security Notice USN-1121-1

Ubuntu Security Notice USN-1121-1
Posted Apr 30, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1121-1 - 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. 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. 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. 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. 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.

tags | advisory, arbitrary, javascript, vulnerability
systems | linux, ubuntu
advisories | CVE-2011-0079, CVE-2011-0081, CVE-2011-0069, CVE-2011-0070, CVE-2011-1202
SHA-256 | 0b43ad1f134723fd278888daf7e615fb85bcf6536d2409c43251b5e82195fe61

Ubuntu Security Notice USN-1121-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-1121-1
April 30, 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

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

References:
CVE-2011-0079 CVE-2011-0081 CVE-2011-0069 CVE-2011-0070 CVE-2011-1202

Package Information:
https://launchpad.net/ubuntu/+source/firefox/4.0.1+build1+nobinonly-0ubuntu0.11.04.1



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