Vulnerability identifier: #VU62281

Vulnerability risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1108

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
ThinkPad X1 Fold Gen 1 20RK
Hardware solutions / Firmware
ThinkPad X1 Fold Gen 1 20RL
Hardware solutions / Firmware

Vendor:

Description

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

The vulnerability exists due to a boundary error in LenovoFlashDeviceInterface within the SMI handler. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://support.lenovo.com/lu/uk/product_security/LEN-84943

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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.