#VU74692 Improper input validation in Pixel - CVE-2022-20571

Vulnerability identifier: #VU74692

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-20571

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Pixel
Mobile applications / Mobile firmware & hardware

Vendor: Google

Description

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to improper input validation within the dm-verity subcomponent in Kernel components. A local application can execute arbitrary code.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

Pixel: before 2022-12-05

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External links
https://android.googlesource.com/kernel/common/+/668e043112528306813bde9213eba6171ce48223
https://source.android.com/docs/security/bulletin/pixel/2022-12-01

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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.