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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-09-12T00:00:00

Updated: 2024-08-03T10:37:41.657Z

Reserved: 2022-08-08T00:00:00

Link: CVE-2022-37797

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2022-09-12T15:15:08.170

Modified: 2022-12-03T01:11:34.457

Link: CVE-2022-37797

cve-icon Redhat

No data.