CVE-2022-37797

Published Sep 12, 2022 CVSS 3.1 · 7.5 High EPSS 2.6% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3133-1 lighttpd security update
Debian DSA Debian DSA DSA-5243-1 lighttpd security update
EUVD 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.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 3, 2024, 10:37 AM
Reserved
Aug 8, 2022, 12:00 AM
Status
Modified
Published
Sep 12, 2022, 3:15 PM
Modified
Jun 17, 2026, 4:55 AM