#VU76722 Inefficient regular expression complexity in Hawk - CVE-2022-29167
Published: May 31, 2023
Vulnerability identifier: #VU76722
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-29167
CWE-ID: CWE-1333
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Hawk
Hawk
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing untrusted input with a regular expressions within the Hawk.utils.parseHost() function. A remote attacker can pass specially crafted HTTP header to the application and perform regular expression denial of service (ReDos) attack.
Remediation
Install updates from vendor's website.