Microsoft ASP.NET and PHP Hash Collision Denial of Service - Specific (CVE-2011-3414)
|Check Point Reference:||CPAI-2013-033|
|Source:||MS Advisory MS11-100|
|Protection Provided by:||
Who is Vulnerable?
Microsoft .NET Framework 4 and prior
A denial of service vulnerability has been reported in Microsoft ASP.NET and PHP. Successful exploitation could degrade performance significantly, possibly resulting in a denial of service condition.
Apply patches from: MS11-100
The vulnerability is caused due to the way common web framework implementations use hash tables to map parameters and values of web requests. A remote attacker may exploit this vulnerability by generating multiple requests containing colliding key values to an affected server.
IPS will detect and block the transferring of malicious requests to the server.
To configure the defense, select your product from the list below and follow the related protection steps.