CVE-2022-30780

Lighttpd 1.4.56 through 1.4.58 allows a remote attacker to cause a denial of service (CPU consumption from stuck connections) because connection_read_header_more in connections.c has a typo that disrupts use of multiple read operations on large headers.

Published: Jun 11, 2022
Updated: Apr 14, 2023
CVE: CVE-2022-30780
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

Severity: Medium
Score: 5
AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

CWE-400
CWE-682

Affected Software
References

Software	From	Fixed in
lighttpd / lighttpd	1.4.57	1.4.57.x
lighttpd / lighttpd	1.4.58	1.4.58.x
lighttpd / lighttpd	1.4.56	1.4.56.x

https://github.com/lighttpd/lighttpd1.4
https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-service
https://podalirius.net/en/cves/2022-30780/
https://redmine.lighttpd.net/issues/3059

Vulnerability Database

CVE-2022-30780

Deep Security Visibility Without the Complexity