vulnerability
lighttpd: mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (websocket handshake) is received (CVE-2022-37797)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Sep 12, 2022 | Sep 19, 2024 | Jan 28, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Sep 12, 2022
Added
Sep 19, 2024
Modified
Jan 28, 2025
Description
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.
Solution
http-lighttpd-upgrade-latest
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