CVE-2022-30780 - Lighttpd - Denial of Service

• Title : Lighttpd - Denial of Service
• Author : @podalirius_
• CVSS : 7.5 (High)
• CVSS Vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

An unauthenticated attacker can send an HTTP request with an URL overflowing the maximum URL length, resulting in a denial of service.

Vulnerable versions

The following versions of lighttpd are vulnerable:

Exploitation

Demonstration

Mitigations

In order to patch this vulnerability you need to update lighttpd to a version greater than 1.4.59.

References

• https://github.com/lighttpd/lighttpd1.4
• https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-service