vulnerability
Amazon Linux AMI: CVE-2022-37797: Security patch for lighttpd (ALAS-2023-1705)
Severity | CVSS | Published | Added | Modified |
---|---|---|---|---|
8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Sep 12, 2022 | Mar 23, 2023 | May 21, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Sep 12, 2022
Added
Mar 23, 2023
Modified
May 21, 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
amazon-linux-upgrade-lighttpd
References

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