CVE-2017-0635 : What You Need to Know

Android Mediaserver Remote Denial of Service Vulnerability

Understanding CVE-2017-0635

What is CVE-2017-0635?

CVE-2017-0635 is a vulnerability found in the HevcUtils.cpp file within the libstagefright component of the Mediaserver in Android. It allows an attacker to exploit a specially designed file to force affected devices to hang or reboot, classified as a remote denial of service vulnerability with a Low severity rating.

The Impact of CVE-2017-0635

This vulnerability affects Android versions 7.0, 7.1.1, and 7.1.2, potentially leading to device instability and disruption of service.

Technical Details of CVE-2017-0635

Vulnerability Description

The vulnerability in HevcUtils.cpp in libstagefright in Mediaserver enables attackers to cause device hang or reboot using a crafted file.

Affected Systems and Versions

Product: Android
Versions: 7.0, 7.1.1, 7.1.2

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking users into opening a malicious file, triggering the device to hang or reboot.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Google promptly.
Avoid opening files from untrusted sources.

Long-Term Security Practices

Regularly update your Android device to the latest software version.
Exercise caution when downloading and opening files from unknown sources.

Patching and Updates

Google has released patches to address this vulnerability. Ensure your device is updated with the latest security fixes.