CVE-2021-44421

Опубликовано: 10 мар. 2022

Источник: nvd

CVSS3: 5.5

CVSS2: 2.1

EPSS Низкий

Описание

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.

Ссылки

https://github.com/occlum/occlum/blob/821ea843ae21037e6cff5268306d2da1fb131552/src/libos/src/util/mem_util.rs#L130
Exploit
Third Party Advisory
https://github.com/occlum/occlum/blob/821ea843ae21037e6cff5268306d2da1fb131552/src/libos/src/util/mem_util.rs#L51
Exploit
Third Party Advisory
https://github.com/occlum/occlum/commit/36918e42bf6732c4d3996bc99eb013eb6b90b249
Patch
Third Party Advisory
https://github.com/occlum/occlum/compare/0.25.0...v0.26.0
Third Party Advisory
https://github.com/occlum/occlum/blob/821ea843ae21037e6cff5268306d2da1fb131552/src/libos/src/util/mem_util.rs#L130
Exploit
Third Party Advisory
https://github.com/occlum/occlum/blob/821ea843ae21037e6cff5268306d2da1fb131552/src/libos/src/util/mem_util.rs#L51
Exploit
Third Party Advisory
https://github.com/occlum/occlum/commit/36918e42bf6732c4d3996bc99eb013eb6b90b249
Patch
Third Party Advisory
https://github.com/occlum/occlum/compare/0.25.0...v0.26.0
Third Party Advisory

Уязвимые конфигурации

Конфигурация 1

cpe:2.3:a:occlum_project:occlum:*:*:*:*:*:software_guard_extensions:*:*

Версия до 0.26.0 (исключая)

EPSS

Процентиль: 22%

0.00072

Низкий

5.5 Medium

CVSS3

2.1 Low

CVSS2

Дефекты

CWE-203

Связанные уязвимости

GHSA-pj6m-jc6g-72c4