Vulmon
Amazon Linux AMI Security Advisory: ALAS-2023-1705
Advisory Release Date: 2023-03-17 15:53 Pacific
Advisory Updated Date: 2023-03-22 18:51 Pacific
Severity:
Important
Issue Overview:
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. (CVE-2022-37797)
Affected Packages:
lighttpd
Issue Correction:
Run yum update lighttpd to update your system.
New Packages:
i686:
lighttpd-mod_authn_gssapi-1.4.53-1.37.amzn1.i686
lighttpd-debuginfo-1.4.53-1.37.amzn1.i686
lighttpd-fastcgi-1.4.53-1.37.amzn1.i686
lighttpd-mod_mysql_vhost-1.4.53-1.37.amzn1.i686
lighttpd-1.4.53-1.37.amzn1.i686
lighttpd-mod_authn_mysql-1.4.53-1.37.amzn1.i686
lighttpd-mod_geoip-1.4.53-1.37.amzn1.i686
lighttpd-mod_authn_pam-1.4.53-1.37.amzn1.i686
src:
lighttpd-1.4.53-1.37.amzn1.src
x86_64:
lighttpd-fastcgi-1.4.53-1.37.amzn1.x86_64
lighttpd-mod_authn_mysql-1.4.53-1.37.amzn1.x86_64
lighttpd-mod_geoip-1.4.53-1.37.amzn1.x86_64
lighttpd-mod_authn_gssapi-1.4.53-1.37.amzn1.x86_64
lighttpd-mod_authn_pam-1.4.53-1.37.amzn1.x86_64
lighttpd-mod_mysql_vhost-1.4.53-1.37.amzn1.x86_64
lighttpd-debuginfo-1.4.53-1.37.amzn1.x86_64
lighttpd-1.4.53-1.37.amzn1.x86_64