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Amazon Linux AMI: CVE-2022-37797: Security patch for lighttpd (ALAS-2023-1705)

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Amazon Linux AMI: CVE-2022-37797: Security patch for lighttpd (ALAS-2023-1705)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
09/12/2022
Created
03/24/2023
Added
03/23/2023
Modified
03/23/2023

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(s)

  • amazon-linux-upgrade-lighttpd

References

  • ALAS-2023-1705
  • CVE-2022-37797

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