CVE - CVE-2021-44421

CVE-ID
CVE-2021-44421	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
CONFIRM:https://github.com/occlum/occlum/commit/36918e42bf6732c4d3996bc99eb013eb6b90b249 CONFIRM:https://github.com/occlum/occlum/compare/0.25.0...v0.26.0 MISC:https://github.com/occlum/occlum/blob/821ea843ae21037e6cff5268306d2da1fb131552/src/libos/src/util/mem_util.rs#L130 MISC:https://github.com/occlum/occlum/blob/821ea843ae21037e6cff5268306d2da1fb131552/src/libos/src/util/mem_util.rs#L51
Assigning CNA
MITRE Corporation
Date Record Created
20211129	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20211129)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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