ghostexp.exe in Ghost Explorer Utility in Symantec Ghost Solutions Suite (GSS) before 3.0 HF2 12.0.0.8010 and Symantec Deployment Solution (DS) before 7.6 HF4 12.0.0.7045 performs improper sign-extend operations before array-element accesses, which allows remote attackers to execute arbitrary code, cause a denial of service (application crash), or possibly obtain sensitive information via a crafted Ghost image.
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.