CVE-2023-20931 — Out-of-bounds Write in Google Android

CWE-787 — Out-of-bounds Write5 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 92.54%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Platform Packages Modules BluetoothPlatform System BTGoogle Android
Timeline
PublishedMar 24

Description

In avdt_scb_hdl_write_req of avdt_scb_act.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-242535997

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶CVEListV5google/androidAndroid-11 Android-12 Android-12L Android-13
▶NVDgoogle/android4 versions+3
▶Androidplatform/system_bt11:0 — 11:2023-03-01
▶Androidplatform/packages_modules_bluetooth13-next:0 — 13-next:2023-03-01+1

Patches

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

🔴Vulnerability Details

3
CVEList
CVE-2023-20931: In avdt_scb_hdl_write_req of avdt_scb_act↗2023-03-24
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GHSA
GHSA-mwjj-vghx-7m99: In avdt_scb_hdl_write_req of avdt_scb_act↗2023-03-24
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OSV
CVE-2023-20931: In avdt_scb_hdl_write_req of avdt_scb_act↗2023-03-01
▶

📋Vendor Advisories

1
Android
CVE-2023-20931: Android Security Bulletin 2023-03-01 CVE: CVE-2023-20931 Severity: HIGH Type: EoP Affected AOSP versions: 11, 12, 12L, 13 References: A-242535997↗2023-03-01
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CVE-2023-20931 — Out-of-bounds Write in Google Android | cvebase