pcsc-lite: Privilege escalation via specially-crafted client to PC/SC Smart Card daemon messages

Multiple buffer overflows in the MSGFunctionDemarshall function in winscardsvc.c in the PC/SC Smart Card daemon aka PCSCD in MUSCLE PCSC-Lite before 1.5.4 allow local users to gain privileges via crafted message data, which is improperly demarshalled...