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CVE-2019-2123

Good to know:

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Date: September 5, 2019

In execTransact of Binder.java in Android 7.1.1, 7.1.2, 8.0, 8.1, and 9, there is a possible local execution of arbitrary code in a privileged process due to a memory overwrite. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Language: C++

Severity Score

Related Resources (3)

https://nvd.nist.gov/vuln/detail/CVE-2019-2123
https://source.android.com/security/bulletin/2019-09-01
https://www.mend.io/vulnerability-database/CVE-2019-2123

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Permissions, Privileges, and Access Control

CWE-264

Top Fix

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Upgrade Version

Upgrade to version android-7.1.1_r59,android-7.1.2_r37,android-8.0.0_r37,android-8.1.0_r68,android-9.0.0_r46

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CVSS v3

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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