Description
An issue was discovered in SCONE Confidential Computing Platform before 5.8.0 for Intel SGX. Lack of pointer-alignment logic in __scone_dispatch and other entry functions allows a local attacker to access unauthorized information, aka an "AEPIC Leak."
References
- https://sconedocs.github.io/release5.7/
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00657.html
- https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html#inpage-nav-3-2-2
- https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/stale-data-read-from-xapic.html
- https://github.com/openenclave/openenclave/security/advisories/GHSA-v3vm-9h66-wm76
- https://sconedocs.github.io/release5.8/
- https://jovanbulck.github.io/files/oakland24-pandora.pdf