CVE-2021-44421
Summary
| CVE | CVE-2021-44421 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2022-03-10 17:44:00 UTC |
| Updated | 2022-03-15 15:22:00 UTC |
| 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. |
Risk And Classification
Problem Types: CWE-203
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Occlum Project | Occlum | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Check the buffer address before copy the data from the buffer · occlum/occlum@36918e4 · GitHub | CONFIRM | github.com | |
| occlum/mem_util.rs at 821ea843ae21037e6cff5268306d2da1fb131552 · occlum/occlum · GitHub | MISC | github.com | |
| Comparing 0.25.0...v0.26.0 · occlum/occlum · GitHub | CONFIRM | github.com | |
| occlum/mem_util.rs at 821ea843ae21037e6cff5268306d2da1fb131552 · occlum/occlum · GitHub | MISC | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.