CVE-2022-20521 — NULL Pointer Dereference in Packages Modules Bluetooth

CWE-476 — NULL Pointer Dereference4 documents4 sources
Severity
5.0MEDIUMNVD
EPSS
0.0%
top 96.87%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform Packages Modules BluetoothGoogle Android
Timeline
PublishedDec 16
Latest updateDec 20

Description

In sdpu_find_most_specific_service_uuid of sdp_utils.cc, there is a possible way to crash Bluetooth due to a missing null check. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-227203684

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:HExploitability: 1.3 | Impact: 3.6

Affected Packages3 packages

▶Androidplatform/packages_modules_bluetooth13:0 — 13:2022-12-01
▶CVEListV5google/androidAndroid-13
▶NVDgoogle/android13.0

Patches

Patch: source.android.com ↗Patch: source.android.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-pfq9-gmxf-fp7r: In sdpu_find_most_specific_service_uuid of sdp_utils↗2022-12-20
▶
CVEList
CVE-2022-20521: In sdpu_find_most_specific_service_uuid of sdp_utils↗2022-12-16
▶
OSV
CVE-2022-20521: In sdpu_find_most_specific_service_uuid of sdp_utils↗2022-12-01
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CVE-2022-20521 — NULL Pointer Dereference | cvebase