CVE-2022-37797
CVE-2022-37797
This page contains facts from public vulnerability sources. Check the original advisory before updating.
In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (websocket handshake) is received. It leads to null pointer dereference which crashes the server. It could be used by an external attacker to cause denial of service condition.
CVSS 7.5 · High · EPSS 2.5% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
lighttpd Debian:12
- Affected ranges
- ECOSYSTEM: < 1.4.66-1
Update to 1.4.66-1
lighttpd Debian:13
- Affected ranges
- ECOSYSTEM: < 1.4.66-1
Update to 1.4.66-1
lighttpd Debian:14
- Affected ranges
- ECOSYSTEM: < 1.4.66-1
Update to 1.4.66-1
lighttpd Ubuntu:20.04:LTS
- Versions
- 1.4.53-4ubuntu2
- 1.4.54-2ubuntu1
- 1.4.55-1ubuntu1
- 1.4.55-1ubuntu1.20.04.1
- 1.4.55-1ubuntu1.20.04.2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
lighttpd Ubuntu:22.04:LTS
- Versions
- 1.4.59-1ubuntu2
- 1.4.59-1ubuntu3
- 1.4.63-1ubuntu1
- 1.4.63-1ubuntu2
- 1.4.63-1ubuntu3
- 1.4.63-1ubuntu3.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published