IBM HTTP Server 2.0.42/2.0.47 apr-util Environment Variable denial of service

A vulnerability was found in . The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published even before and not after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 5715. In this case the pattern |3A|/[ is used for detection. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 31460.