PT-2023-17741 · Google · Android

Published 2023-03-01 · Updated 2025-02-25 · CVE-2023-20952

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-11 through Android-13

Description The issue is related to a possible out of bounds write due to a missing bounds check in the A2DP BuildCodecHeaderSbc function of a2dp sbc.cc. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android versions Android-11 through Android-13, update to a version that includes the fix for the issue in A2DP BuildCodecHeaderSbc of a2dp sbc.cc. As a temporary workaround, consider restricting access to the A2DP BuildCodecHeaderSbc function until a patch is available.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ASB-A-186803518

CVE-2023-20952

Affected Products

Android

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2023-20952 · Security Note
• https://source.android.com/security/bulletin/2023-03-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-186803518 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-20952 · Vendor Advisory
• https://t.me/cvenotify/112494 · Telegram Post
• https://t.me/cvenotify/47016 · Telegram Post
• https://t.me/cibsecurity/60675 · Telegram Post
• https://android.googlesource.com/platform/packages/modules/Bluetooth/+/bf98f204564cb67268adb21a5c06148d59d90456 · Note