Information disclosure in Intel Xeon D processors

1) Information disclosure

EUVDB-ID: #VU87461

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-43490

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to incorrect calculation in microcode keying mechanism for some Intel Xeon D Processors with Intel SGX. A local user can gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Intel Xeon D Processors: All versions

CPE2.3

• cpe:2.3:h:intel:intel_xeon_d_processors:*:*:*:*:*:*:*:*

External links

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01045.html

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.