CVE-2020-0421 - Improper Handling of Exceptional Conditions

Severity

78%

Complexity

18%

Confidentiality

98%

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 3.1 Base Score 7.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 7.2. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C).

Overview

Type

Google Android

First reported 4 years ago

2020-10-14 14:15:00

Last updated 4 years ago

2020-10-16 16:16:00

Affected Software

Google Android 8.0

8.0

Google Android 8.1

8.1

Google Android 9.0

9.0

Google Android 10.0

10.0

References

https://source.android.com/security/bulletin/2020-10-01

https://source.android.com/security/bulletin/2020-10-01

Patch, Vendor Advisory

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