gnutls -- certificate chain verification DoS

Patric Hornik reports on a problem in the certificate chain verification procedures of GnuTLS that may result in a denial-of-service vulnerability: The certificate chain should be verified from last root certificate to the first certificate. Otherwise a lot of unauthorized CPU processing can be...

PT-2009-6739

Name of the Vulnerable Software and Affected Versions OpenSSL versions prior to 0.9.8l GnuTLS versions prior to 2.8.5 Apache HTTP Server versions prior to 2.2.14 Microsoft Internet Information Services IIS 7.0 OpenVPN versions prior to 2.3.1 Mozilla Network Security Services NSS versions prior to...