IDEMIA

A Buffer Overflow in Thrift command handlers in IDEMIA Morpho Wave Compact and VisionPass devices before 2.6.2, Sigma devices before 4.9.4, and MA VP MD devices before 4.9.7 allows remote attackers to achieve code execut…

When handling contactless cards, usage of a specific function to get additional information from the card which doesn't check the boundary on the data received while reading.

When reading DesFire keys, the function that reads the card isn't properly checking the boundaries when copying internally the data received.

During the retrofit validation process, the firmware doesn't properly check the boundaries while copying some attributes to check.

The handler of the retrofit validation command doesn't properly check the boundaries when performing certain validation operations.

The Parameter Zone Read and Parameter Zone Write command handlers allow performing a Stack buffer overflow.

By abusing a design flaw in the firmware upgrade mechanism of the impacted terminal it's possible to cause a permanent denial of service for the terminal.