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.
Max CVSS
7.5
EPSS Score
0.15%
Published
2022-09-12
Updated
2022-12-03
lighttpd before 1.4.14 allows attackers to cause a denial of service (crash) via a request to a file whose mtime is 0, which results in a NULL pointer dereference.
Max CVSS
7.8
EPSS Score
6.81%
Published
2007-04-18
Updated
2018-10-16
2 vulnerabilities found