#VU72032 Buffer overflow in Google Android - CVE-2023-20938

Vulnerability identifier: #VU72032

Vulnerability risk: Low

CVSSv4.0: 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:P/U:Clear

CVE-ID: CVE-2023-20938

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: Public exploit is available

Vulnerable software:
Google Android

Software vendor:
Google

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

The vulnerability exists due to a boundary error within the Binder component in kernel. A local application can trigger memory corruption and execute arbitrary code with elevated privileges.

Install updates from vendor's website.

• https://source.android.com/docs/security/bulletin/2023-02-01#2023-02-05-security-patch-level-vulnerability-details
• https://android.googlesource.com/kernel/common/+/baa23246e93f
• https://android.googlesource.com/kernel/common/+/3d213a626d2d
• https://android.googlesource.com/kernel/common/+/9d1efccf5ec3
• https://android.googlesource.com/kernel/common/+/b83173bf86a9
• https://android.googlesource.com/kernel/common/+/aaf236971732
• https://android.googlesource.com/kernel/common/+/ecf61e4e1117