The Internet Authentication Service (IAS) in Microsoft Windows Vista SP2 and Server 2008 SP2 does not properly validate MS-CHAP v2 Protected Extensible Authentication Protocol (PEAP) authentication requests, which allows remote attackers to execute arbitrary code via crafted structures in a malformed request, aka Internet Authentication Service Memory Corruption Vulnerability.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Windows_server_2008 | Microsoft | * | * |
| Windows_server_2008 | Microsoft | sp2-x32 (including) | sp2-x32 (including) |
| Windows_server_2008 | Microsoft | sp2-x64 (including) | sp2-x64 (including) |
| Windows_vista | Microsoft | * | * |