Vulnerability identifier: #VU64376

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-21127

CWE-ID: CWE-459

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Intel SGX PSW for Windows
Hardware solutions / Firmware
Intel SGX DCAP for Windows
Hardware solutions / Firmware
Intel SGX PSW for Linux
Hardware solutions / Firmware
Intel SGX DCAP for Linux
Hardware solutions / Firmware
Intel SGX SDK for Windows
Client/Desktop applications / Other client software
Intel SGX SDK for Linux
Client/Desktop applications / Other client software

Vendor:

Description

The vulnerability allows a local user to gain access to sensitive information on the system.

The vulnerability exists due to incomplete cleanup in specific special register read operations. A local user can enable information disclosure.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21127

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.