Pointer corruption in Unified Shader Compiler in Intel Graphics Drivers before 10.18.x.5056 (aka 15.33.x.5056), 10.18.x.5057 (aka 15.36.x.5057) and 20.19.x.5058 (aka 15.40.x.5058) may allow an unauthenticated remote user to potentially execute arbitrary WebGL code via local access.
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.
| Link | Tags |
|---|---|
| http://www.securityfocus.com/bid/105582 | third party advisory vdb entry |
| https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00166.html | vendor advisory mitigation |
| https://support.apple.com/kb/HT210634 | |
| https://support.apple.com/kb/HT210722 | |
| http://seclists.org/fulldisclosure/2019/Oct/56 | mailing list |
| http://seclists.org/fulldisclosure/2019/Oct/55 | mailing list |