Buffer overflow in the XComms process in SAP Afaria 7.00.6620.2 SP5 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted request, aka SAP Security Note 2153690.
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.