Medium: lighttpd

Issue Overview:

Integer signedness error in the base64_decode function in the HTTP authentication functionality (http_auth.c) in lighttpd 1.4 before 1.4.30 and 1.5 before SVN revision 2806 allows remote attackers to cause a denial of service (segmentation fault) via crafted base64 input that triggers an out-of-bounds read with a negative index.

Affected Packages:

lighttpd

Issue Correction:
Run yum update lighttpd to update your system.

New Packages:

i686:  
    lighttpd-fastcgi-1.4.31-1.2.amzn1.i686  
    lighttpd-mod_mysql_vhost-1.4.31-1.2.amzn1.i686  
    lighttpd-debuginfo-1.4.31-1.2.amzn1.i686  
    lighttpd-mod_geoip-1.4.31-1.2.amzn1.i686  
    lighttpd-1.4.31-1.2.amzn1.i686  
  
src:  
    lighttpd-1.4.31-1.2.amzn1.src  
  
x86_64:  
    lighttpd-fastcgi-1.4.31-1.2.amzn1.x86_64  
    lighttpd-debuginfo-1.4.31-1.2.amzn1.x86_64  
    lighttpd-1.4.31-1.2.amzn1.x86_64  
    lighttpd-mod_geoip-1.4.31-1.2.amzn1.x86_64  
    lighttpd-mod_mysql_vhost-1.4.31-1.2.amzn1.x86_64  

Additional References

Red Hat: CVE-2011-4362

Mitre: CVE-2011-4362