Vulnerability Monitor

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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

2022-06-11T15:15:08.807

Last Modified

2024-11-21T07:03:21.907

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-682

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	lighttpd	lighttpd	1.4.56	Yes
Application	lighttpd	lighttpd	1.4.57	Yes
Application	lighttpd	lighttpd	1.4.58	Yes

References

https://github.com/lighttpd/lighttpd1.4 Product, Third Party Advisory ([email protected])
https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-service Exploit, Third Party Advisory ([email protected])
https://podalirius.net/en/cves/2022-30780/ Exploit, Third Party Advisory ([email protected])
https://redmine.lighttpd.net/issues/3059 Issue Tracking, Patch, Vendor Advisory ([email protected])
https://github.com/lighttpd/lighttpd1.4 Product, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-service Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://podalirius.net/en/cves/2022-30780/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://redmine.lighttpd.net/issues/3059 Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)