CVE-2020-0259 : In android_verity_ctr of dm-android-verity.c, there is a possible way to modify

In android_verity_ctr of dm-android-verity.c, there is a possible way to modify a dm-verity protected filesystem due to improperly used crypto. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-157941353References: N/A

Published 2020-08-11 20:15:13

Updated 2021-07-21 11:39:24

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

View at NVD, CVE.org

Products affected by CVE-2020-0259

Google » Android » Version: N/A
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-0259

EPSS FAQ

0.01%

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

~ 1 %

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

CVSS scores for CVE-2020-0259

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.2	HIGH	AV:L/AC:L/Au:N/C:C/I:C/A:C	3.9	10.0	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
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-2020-0259

https://source.android.com/security/bulletin/2020-08-01

Android Security Bulletin—August 2020 | Android Open Source Project
Vendor Advisory

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Vulnerability Details : CVE-2020-0259

Products affected by CVE-2020-0259

Exploit prediction scoring system (EPSS) score for CVE-2020-0259

CVSS scores for CVE-2020-0259

References for CVE-2020-0259