Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 544
Alerts This Week
Warning Icon 1 544

Ubuntu 12.04 LTS USN-1548-2 Moderate: Firefox Regression Issue

ubuntu
Calendar Grey September 11, 2012
Scroller Ubuntu
Resolves an issue in Firefox that may lead to data exposure and cause the application to fail on Ubuntu versions.
USN-1548-1 introduced a regression in Firefox.

Summary

USN-1548-1 introduced a regression in Firefox.

Software Description:

- firefox: Mozilla Open Source web browser

Details:

USN-1548-1 fixed vulnerabilities in Firefox. The new package caused a

regression in Private Browsing which could leak sites visited to the

browser cache. This update fixes the problem.

Original advisory details:

Gary Kwong, Christian Holler, Jesse Ruderman, Steve Fink, Bob Clary, Andrew

Sutherland, Jason Smith, John Schoenick, Vladimir Vukicevic and Daniel

Holbert discovered memory safety issues affecting Firefox. If the user were

tricked into opening a specially crafted page, an attacker could exploit

these to cause a denial of service via application crash, or potentially

execute code with the privileges of the user invoking Firefox.

(CVE-2012-1970, CVE-2012-1971)

Abhishek Arya discovered multiple use-after-free vulnerabilities. If the

user were tricked into opening a specially crafted page, an attacker could

exploit the...

Read the Full Advisory

Update Instructions

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

Ubuntu 12.04 LTS:
  firefox                         15.0.1+build1-0ubuntu0.12.04.1

Ubuntu 11.10:
  firefox                         15.0.1+build1-0ubuntu0.11.10.1

Ubuntu 11.04:
  firefox                         15.0.1+build1-0ubuntu0.11.04.1

Ubuntu 10.04 LTS:
  firefox                         15.0.1+build1-0ubuntu0.10.04.1

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

References

https://ubuntu.com/security/notices/USN-1548-2

https://ubuntu.com/security/notices/USN-1548-1

https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1047667

September 11, 2012

Package Information

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.