#VU87461 Information disclosure in Intel Xeon D Processors - CVE-2023-43490

Vulnerability identifier: #VU87461

Vulnerability 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

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Intel Xeon D Processors
Hardware solutions / Firmware

Vendor: Intel

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

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

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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.