#VU67731 NULL pointer dereference in lighttpd - CVE-2022-37797

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Main Vulnerability Database Vulnerabilities #VU67731

#VU67731 NULL pointer dereference in lighttpd - CVE-2022-37797

Published: September 29, 2022


Vulnerability identifier: #VU67731
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-37797
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
lighttpd
Software vendor:
lighttpd

Description

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

The vulnerability exists due to a NULL pointer dereference error within the mod_wstunnel module when handling invalid HTTP requests. A remote attacker can send specially crafted HTTP requests to the affected web server and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

External links