#VU65445 Permissions, Privileges, and Access Controls in Chromecast - CVE-2022-20112

Vulnerability identifier: #VU65445

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-2022-20112

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Chromecast
Operating systems & Components / Operating system

Vendor: Google

Description

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

The vulnerability exists due to improperly imposed security restrictions in getAvailabilityStatus in PrivateDnsPreferenceController.java. A local application can change private DNS settings and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Chromecast: before 10

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External links
https://source.android.com/security/bulletin/chromecast/2022-07-01

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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.