Important: lighttpd

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  

Additional References

Red Hat: CVE-2022-37797

Mitre: CVE-2022-37797