CVE-2021-44421

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.

Weakness classification

• CWE-203: Observable Discrepancy

Primary references

• cve@mitre.org — Exploit, Third Party Advisory
• cve@mitre.org — Exploit, Third Party Advisory
• cve@mitre.org — Patch, Third Party Advisory
• cve@mitre.org — Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory