The (1) AddUser, (2) AddUserEx, (3) RemoveUser, (4) RemoveUserByGuide, (5) RemoveUserEx, and (6) RemoveUserRegardless methods in HP Protect Tools Device Access Manager (PTDAM) before 6.1.0.1 allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a long SidString argument.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.