CVE-2012-4195 Cross-site scripting in n/a

What is CVE-2012-4195?

CVE-2012-4195 is a medium-severity cross-site scripting vulnerability in Canonical Ubuntu Linux, published on 29 Oct 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

The nsLocation::CheckURL function in Mozilla Firefox before 16.0.2, Firefox ESR 10.x before 10.0.10, Thunderbird before 16.0.2, Thunderbird ESR 10.x before 10.0.10, and SeaMonkey before 2.13.2 does not properly determine the calling document and principal in its return value, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site, and makes it easier for remote attackers to execute arbitrary JavaScript code by leveraging certain add-on behavior.

Weakness: CWE-79

Which versions are affected by CVE-2012-4195?

It affects 13 products.

Products include Canonical Ubuntu Linux, Mozilla Firefox, Mozilla Seamonkey, Mozilla Thunderbird, Mozilla Thunderbird Esr, Opensuse Opensuse and 7 more.

How do I fix CVE-2012-4195?

Upgrade to a fixed version.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2012-4195 being exploited?

There is no known exploitation of CVE-2012-4195 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-44cp-4449-xfm3.