#VU81403 Improper input validation in Google Android - CVE-2023-21252

Vulnerability identifier: #VU81403

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-21252

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Google Android
Operating systems & Components / Operating system

Vendor: Google

Description

The vulnerability allows a local application to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the System component. A local application can perform a denial of service (DoS) attack.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

Google Android: before 11, 12L, 12, 13, 11

---

External links
https://android.googlesource.com/platform/packages/modules/Wifi/+/044ab0684153c4effb9f4fda47df43ccdc77bda8
https://android.googlesource.com/platform/packages/modules/Wifi/+/50b08ee30e04d185e5ae97a5f717d436fd5a90f3
https://source.android.com/docs/security/bulletin/2023-10-01

---

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.