CVE-2012-3973 Missing authorization in n/a

What is CVE-2012-3973?

CVE-2012-3973 is a high-severity missing authorization vulnerability in Mozilla Firefox, published on 29 Aug 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The debugger in the developer-tools subsystem in Mozilla Firefox before 15.0, when remote debugging is disabled, does not properly restrict access to the remote-debugging service, which allows remote attackers to execute arbitrary code by leveraging the presence of the HTTPMonitor extension and connecting to that service through the HTTPMonitor port.

Weakness: CWE-264

Which versions are affected by CVE-2012-3973?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2012-3973?

Upgrade to a fixed version.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2012-3973 being exploited?

There is no known exploitation of CVE-2012-3973 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-rrwm-vm8h-54hm.