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.
Published: 2022-09-12
Score: 7.5 High
EPSS: 1.4% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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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.
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Subscriptions

Debian Debian Linux
Lighttpd Lighttpd
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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

Reserved: 2022-08-08T00:00:00.000Z

Link: CVE-2022-37797

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

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

Modified: 2024-11-21T07:15:11.137

Link: CVE-2022-37797

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses