CVE-2020-0421

In appendFormatV of String8.cpp, there is a possible out of bounds write due to incorrect error handling. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11 Android-8.0Android ID: A-161894517

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://source.android.com/security/bulletin/2020-10-01	Patch Vendor Advisory
https://source.android.com/security/bulletin/2020-10-01	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:google:android:8.0:::::::*
	cpe:2.3:o:google:android:8.1:::::::*
	cpe:2.3:o:google:android:9.0:::::::*
	cpe:2.3:o:google:android:10.0:::::::*
	cpe:2.3:o:google:android:11.0:::::::*

History

21 Nov 2024, 04:53

Type	Values Removed	Values Added
References	~~() https://source.android.com/security/bulletin/2020-10-01 - Patch, Vendor Advisory~~	() https://source.android.com/security/bulletin/2020-10-01 - Patch, Vendor Advisory

Information

Published : 2020-10-14 14:15

Updated : 2024-11-21 04:53

NVD link : CVE-2020-0421

Mitre link : CVE-2020-0421

CVE.ORG link : CVE-2020-0421

JSON object : View

Products Affected

google

android

CWE

CWE-755

Improper Handling of Exceptional Conditions

CWE-787

Out-of-bounds Write

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