Input validation error in Mozilla Firefox and Firefox ESR - CVE-2022-22747

 

Input validation error in Mozilla Firefox and Firefox ESR - CVE-2022-22747

Published: January 11, 2022


Vulnerability identifier: #VU59379
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-22747
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Firefox ESR

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of empty pkcs7 sequence, passed as part of the certificate data. A remote attacker can pass specially crafted certificate to the application and perform a denial of service (DoS) attack.


How to mitigate CVE-2022-22747

Install updates from vendor's website.

Sources