PT-2022-14735 · Google · Android

Published 2022-12-16 · Updated 2022-12-20 · CVE-2022-20521

Positive Technologies (AI Summary)

CVSS v3.1

5.0

Medium

Base vector

AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Android versions prior to the fixed version

Description The issue is related to a missing null check in the sdpu find most specific service uuid function of sdp utils.cc, which could cause Bluetooth to crash, leading to a local denial of service. No additional execution privileges are needed, but user interaction is required for exploitation.

Recommendations For Android versions prior to the fixed version, update to a version that includes the fix for this issue to prevent local denial of service attacks.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2022-20521

Affected Products

Android

References · 3

• https://osv.dev/vulnerability/CVE-2022-20521 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-20521 · Security Note
• https://source.android.com/security/bulletin/pixel/2022-12-01 · Vendor Advisory