CVE-2011-2990 Information disclosure in n/a

What is CVE-2011-2990?

CVE-2011-2990 is a medium-severity vulnerability in Mozilla Firefox, published on 18 Aug 2011. 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 implementation of Content Security Policy (CSP) violation reports in Mozilla Firefox 4.x through 5, SeaMonkey 2.x before 2.3, and possibly other products does not remove proxy-authorization credentials from the listed request headers, which allows attackers to obtain sensitive information by reading a report, related to incorrect host resolution that occurs with certain redirects.

Weakness: CWE-255

Which versions are affected by CVE-2011-2990?

It affects 2 products.

Products include Mozilla Firefox, Mozilla Seamonkey.

How do I fix CVE-2011-2990?

Upgrade to a fixed version.

Is CVE-2011-2990 being exploited?

There is no known exploitation of CVE-2011-2990 in the wild and no public exploit code.

Other vulnerabilities in Mozilla Firefox

• CVE-2019-11708 Mozilla Firefox and Thunderbird Sandbox Escape Exploited Critical 10.0
• CVE-2010-3765 Mozilla Multiple Products Remote Code Execution Exploited Critical 9.8
• CVE-2022-26486 Mozilla Firefox Use-After-Free Exploited Critical 9.6
• CVE-2022-26485 Mozilla Firefox Use-After-Free Exploited High 8.8
• CVE-2019-11707 Mozilla Firefox and Thunderbird Type Confusion Exploited High 8.8

All Mozilla Firefox vulnerabilities

Sources

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

Also known as GHSA-wg36-2chp-pmhr.