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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
Sign in to view the affected projects.
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-3133-1 | lighttpd security update |
Debian DSA |
DSA-5243-1 | lighttpd security update |
EUVD |
EUVD-2022-40406 | 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. |
References
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-03T10:37:41.657Z
Reserved: 2022-08-08T00:00:00.000Z
Link: CVE-2022-37797
No data.
Status : Modified
Published: 2022-09-12T15:15:08.170
Modified: 2024-11-21T07:15:11.137
Link: CVE-2022-37797
No data.
OpenCVE Enrichment
No data.
Weaknesses
Debian DLA
Debian DSA
EUVD