Privilege escalation in Intel Software Guard Extensions (SGX) SDK

1) Improper Initialization

EUVDB-ID: #VU25191

Risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-0561

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper initialization in the Intel(R) SGX SDK. A local user can run a specially crafted application to execute arbitrary code on the system with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Intel SGX SDK for Windows: 2.2.100

Intel SGX SDK for Linux: 2.4.100

CPE2.3

• cpe:2.3:a:intel:intel_sgx_sdk_for_windows:*:*:*:*:*:*:*:*
• cpe:2.3:a:intel:intel_sgx_sdk_for_windows:2.2.100:*:*:*:*:*:*:*
• cpe:2.3:a:intel:intel_sgx_sdk_for_linux:*:*:*:*:*:*:*:*
• cpe:2.3:a:intel:intel_sgx_sdk_for_linux:2.4.100:*:*:*:*:*:*:*

External links

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00336.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.