CVE-2019-11733 Security feature bypass in Firefox

What is CVE-2019-11733?

CVE-2019-11733 is a critical vulnerability in Mozilla Firefox, published on 27 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

When a master password is set, it is required to be entered again before stored passwords can be accessed in the 'Saved Logins' dialog. It was found that locally stored passwords can be copied to the clipboard thorough the 'copy password' context menu item without re-entering the master password if the master password had been previously entered in the same session, allowing for potential theft of stored passwords. This vulnerability affects Firefox < 68.0.2 and Firefox ESR < 68.0.2.

Weakness: CWE-287

Which versions are affected by CVE-2019-11733?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2019-11733?

Upgrade to a fixed version.

Is CVE-2019-11733 being exploited?

There is no known exploitation of CVE-2019-11733 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-pf22-jf54-7q9c, UBUNTU-CVE-2019-11733, USN-4101-1.