CVE-2017-0486

Vulnerability

A denial of service vulnerability exists in the Mediaserver component of Android. The bug can be triggered by a specially crafted file. Affected versions include Android 6.0, 6.0.1, 7.0, and 7.1.1 [1]. The issue is identified by Android ID A-33621215 [1].

Exploitation

An attacker can exploit this vulnerability by providing a malicious file to the affected device, such as through a crafted media file delivered via a messaging app or web download. No authentication or user interaction beyond accessing the file is required. The precise mechanism involves processing the malformed input within Mediaserver, leading to an unhandled condition [1].

Impact

Successful exploitation results in a denial of service, causing the device to hang or reboot. The vulnerability is rated as High severity by Google due to the possibility of remote denial of service [1]. No code execution or data compromise is indicated.

Mitigation

Google released a fix in the March 2017 Android Security Bulletin. The fix is available as part of the 2017-03-01 security patch level [1]. Users should ensure their devices receive this update; no workaround is documented for unpatched devices.