CVE-2017-11006 - Use After Free

Severity

99%

Complexity

99%

Confidentiality

165%

In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, a Use After Free condition can occur during positioning.

In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, a Use After Free condition can occur during positioning.

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 7 years ago

2017-12-05 19:29:00

Last updated 7 years ago

2017-12-15 15:42:00

Affected Software

Google Android Operating System

References

102072

Third Party Advisory, VDB Entry

https://source.android.com/security/bulletin/2017-12-01

Patch, Vendor Advisory

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