Predictable Seed in Pseudo-Random Number Generator (PRNG) in Mozilla Firefox and Firefox for Android - CVE-2024-4772

 

Predictable Seed in Pseudo-Random Number Generator (PRNG) in Mozilla Firefox and Firefox for Android - CVE-2024-4772

Published: May 15, 2024


Vulnerability identifier: #VU89554
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-4772
CWE-ID: CWE-337
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Firefox for Android

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass authentication.

The vulnerability exists due to Firefox uses an insecure rand() function to generate nonce for HTTP digest authentication. A remote attacker can guess nonce and potentially gain unauthorized access to the victim's session.


How to mitigate CVE-2024-4772

Install updates from vendor's website.

Sources