CVE-2019-2006 - Use After Free

Severity

99%

Complexity

99%

Confidentiality

165%

In serviceDied of HalDeathHandlerHidl.cpp, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege in the audio server with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9Android ID: A-116665972

In serviceDied of HalDeathHandlerHidl.cpp, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege in the audio server with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9Android ID: A-116665972

CVSS 3.0 Base Score 9.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 9.9. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C).

Demo Examples

Use After Free

CWE-416

The following example demonstrates the weakness.


               
}
free(buf3R2);

Use After Free

CWE-416

The following code illustrates a use after free error:


               
}
free(ptr);
logError("operation aborted before commit", ptr);

When an error occurs, the pointer is immediately freed. However, this pointer is later incorrectly used in the logError function.

Overview

First reported 5 years ago

2019-06-19 20:15:00

Last updated 5 years ago

2019-06-21 02:30:00

Affected Software

Google Android 9.0

9.0

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