Stack-based buffer overflow in CA BrightStor ARCserve Backup R11.5 client and server allows remote attackers to execute arbitrary code via long messages to the CheyenneDS Mailslot.
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.