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SIEMENS Sipass Integrated 2.6 Ethernet Bus Arbitrary Pointer Dereference

SIEMENS Sipass Integrated 2.6 Ethernet Bus Arbitrary Pointer Dereference
Posted Oct 31, 2012
Authored by Lucas Apa | Site ioactive.com

IOActive Security Advisory - A vulnerability exists within AscoServer.exe of SIEMENS SiPass during the handling of RPC messages over the ethernet bus. Insufficient sanity checking allows remote and unauthenticated attackers to corrupt a heap-allocated structure and then dereference an arbitrary pointer. This flaw allows remote attackers to execute arbitrary code on the target system, under the context of the SYSTEM account, where the vulnerable versions of SIEMENS SiPass Integrated are installed. More advanced payloads could modify the behavior of the application’s internal controllers to unlock doors, control specific hardware, or expose businesses to other security risks. SIEMENS SiPass Integrated versions MP2.6 and earlier are affected.

tags | advisory, remote, arbitrary
SHA-256 | 6c360fd7a497194cefa22ee03fee415561bb9f756de284b4f7fa3b2eae5e5953
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