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

References

CVE-2022-37797

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Sqlite Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (CVE-2020-35527)

CakePHP Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2020-35239)

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Severity

High

Classification

CVE-2022-37797 CWE-476 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Tags

Missing Update Known Vulnerabilities