Vulnerabilities > CVE-2021-44421 - Information Exposure Through Discrepancy vulnerability in Occlum Project Occlum

047910
CVSS 2.1 - LOW
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
NONE
Availability impact
NONE
local
low complexity
occlum-project
CWE-203

Summary

The pointer-validation logic in util/mem_util.rs in Occlum before 0.26.0 for Intel SGX acts as a confused deputy that allows a local attacker to access unauthorized information via side-channel analysis.

Common Weakness Enumeration (CWE)