CVE-2012-1959 Security feature bypass in n/a

Medium 5.0 Published 18 Jul 2012 Updated 6 Aug 2024

Remote attackers can bypass XBL access restrictions in Firefox and Thunderbird via crafted content, requiring user interaction to visit malicious sites.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2012-1959?

CVE-2012-1959 is a medium-severity vulnerability in Mozilla Firefox, published on 18 Jul 2012. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 do not consider the presence of same-compartment security wrappers (SCSW) during the cross-compartment wrapping of objects, which allows remote attackers to bypass intended XBL access restrictions via crafted content.

Weakness: CWE-264

Which versions are affected by CVE-2012-1959?

It affects 4 products.

Products include Mozilla Firefox, Mozilla Seamonkey, Mozilla Thunderbird, Mozilla Thunderbird Esr.

How do I fix CVE-2012-1959?

Upgrade to a fixed version.

Is CVE-2012-1959 being exploited?

There is no known exploitation of CVE-2012-1959 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-942g-57h9-xx24.