Vulnerability · Published Jun 11, 2022 · Assigned by mitre
CVE-2022-30780
High 7.5
In plain English
A high-severity security flaw in the lighttpd package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 57.2% (higher than 99.1% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)57.2%top 0.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | lighttpd | 1.4.59-1 | DEBIAN-CVE-2022-30780 |
| Debian:13 | lighttpd | 1.4.59-1 | DEBIAN-CVE-2022-30780 |
| Debian:14 | lighttpd | 1.4.59-1 | DEBIAN-CVE-2022-30780 |
Affected products (as reported)
References
- https://github.com/lighttpd/lighttpd1.4 x_refsource_MISC
- https://redmine.lighttpd.net/issues/3059 x_refsource_MISC
- https://podalirius.net/en/cves/2022-30780/ x_refsource_MISC
- https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-service x_refsource_MISC