medium5.5
CVE-2021-44421
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 unautho…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Occlum Project | Occlum | before 0.26.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/occlum/occlum/blob/821ea843ae21037e6cff5268306d2da1fb131552/src/libos/src/util/mem_util.rs#L130
- https://github.com/occlum/occlum/blob/821ea843ae21037e6cff5268306d2da1fb131552/src/libos/src/util/mem_util.rs#L51
- https://github.com/occlum/occlum/commit/36918e42bf6732c4d3996bc99eb013eb6b90b249
- https://github.com/occlum/occlum/compare/0.25.0...v0.26.0
- https://github.com/occlum/occlum/blob/821ea843ae21037e6cff5268306d2da1fb131552/src/libos/src/util/mem_util.rs#L130
- https://github.com/occlum/occlum/blob/821ea843ae21037e6cff5268306d2da1fb131552/src/libos/src/util/mem_util.rs#L51
- https://github.com/occlum/occlum/commit/36918e42bf6732c4d3996bc99eb013eb6b90b249
- https://github.com/occlum/occlum/compare/0.25.0...v0.26.0