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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 56.9%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 56.92% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-682
- Affected
- lighttpd/lighttpd
- Source
- cve@mitre.org
References
- https://github.com/lighttpd/lighttpd1.4Product, Third Party Advisory
- https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-serviceExploit, Third Party Advisory
- https://podalirius.net/en/cves/2022-30780/Exploit, Third Party Advisory
- https://redmine.lighttpd.net/issues/3059Issue Tracking, Patch, Vendor Advisory
- https://github.com/lighttpd/lighttpd1.4Product, Third Party Advisory
- https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-serviceExploit, Third Party Advisory
- https://podalirius.net/en/cves/2022-30780/Exploit, Third Party Advisory
- https://redmine.lighttpd.net/issues/3059Issue Tracking, Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.