CVE-2022-20203 : In multiple locations of the nanopb library, there is a possible way to corrupt

In multiple locations of the nanopb library, there is a possible way to corrupt memory when decoding untrusted protobuf files. This could lead to local escalation of privilege,with no additional execution privileges needed. User interaction is not needed for exploitation.

Published 2022-06-15 22:15:13

Updated 2022-06-27 17:14:16

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

View at NVD, CVE.org

Products affected by CVE-2022-20203

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

Exploit prediction scoring system (EPSS) score for CVE-2022-20203

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 6 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-20203

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.6	MEDIUM	AV:L/AC:L/Au:N/C:P/I:P/A:P	3.9	6.4	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2022-20203

https://source.android.com/security/bulletin/android-12l

Android 12L Security Release Notes | Android Open Source Project
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Vulnerability Details : CVE-2022-20203

Products affected by CVE-2022-20203

Exploit prediction scoring system (EPSS) score for CVE-2022-20203

CVSS scores for CVE-2022-20203

References for CVE-2022-20203