#VU73276 Use-after-free in Pixel - CVE-2023-21000

Vulnerability identifier: #VU73276

Vulnerability risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-21000

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Pixel
Mobile applications / Mobile firmware & hardware

Vendor: Google

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error, related to end-of-process destruction in the Framework component. A remote attacker can trigger a use-after-free error and execute arbitrary code on the device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Pixel: before 2023-03-01

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External links
https://source.android.com/docs/security/bulletin/pixel/2023-03-01
https://android.googlesource.com/platform/frameworks/av/+/cf32c23098ef7410b70ffdbfe2a05146ce79ef04

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.