CVE-2023-38021 Information

Description

An issue was discovered in Fortanix EnclaveOS Confidential Computing Manager (CCM) Platform before 3.32 for Intel SGX. Lack of pointer-alignment validation logic in entry functions allows a local attacker to access unauthorized information. This relates to the enclave_ecall function and system call layer.

Reference

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://jovanbulck.github.io/files/oakland24-pandora.pdf