Vulnerability Details : CVE-2023-20956

In Import of C2SurfaceSyncObj.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-240140929

Vulnerability category: Memory CorruptionInformation leak

Published 2023-03-24 20:15:10

Updated 2023-03-28 19:47:01

Source Android (associated with Google Inc. or Open Handset Alliance)

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2023-20956

Probability of exploitation activity in the next 30 days: 0.04%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2023-20956

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
4.4	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N	0.8	3.6	[email protected]
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2023-20956

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: [email protected] (Primary)

References for CVE-2023-20956

https://source.android.com/security/bulletin/2023-03-01

Patch;Vendor Advisory

CVEs referencing this url

Products affected by CVE-2023-20956

Google » Android » Version: 12.0
cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*
Matching versions
Google » Android » Version: 12.1
cpe:2.3:o:google:android:12.1:*:*:*:*:*:*:*
Matching versions
Google » Android » Version: 13.0
cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*
Matching versions