Rapid7 Vulnerability & Exploit Database

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

Free InsightVM Trial No Credit Card Necessary
2024 Attack Intel Report Latest research by Rapid7 Labs
Back to Search

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

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;