CVE-2017-0391 Explained : Impact and Mitigation

Android devices running versions 6.0, 6.0.1, 7.0, and 7.1 are affected by a vulnerability in libhevc in Mediaserver, potentially leading to remote denial of service attacks.

Understanding CVE-2017-0391

This CVE identifies a denial of service vulnerability in Android devices that could be exploited remotely.

What is CVE-2017-0391?

The vulnerability in decoder/ihevcd_decode.c within libhevc in Mediaserver could allow a remote attacker to cause a device hang or reboot by using a specially crafted file.

The Impact of CVE-2017-0391

The presence of this vulnerability poses a significant risk as it could result in remote denial of service attacks on affected Android devices.

Technical Details of CVE-2017-0391

Android devices running specific versions are susceptible to exploitation due to a flaw in libhevc in Mediaserver.

Vulnerability Description

The vulnerability in libhevc in Mediaserver could lead to a device hang or reboot if a remote attacker exploits a carefully crafted file.

Affected Systems and Versions

Product: Android
Versions: 6.0, 6.0.1, 7.0, 7.1

Exploitation Mechanism

The flaw in decoder/ihevcd_decode.c within libhevc in Mediaserver can be leveraged by a remote attacker using a specially crafted file.

Mitigation and Prevention

Steps to address and prevent exploitation of CVE-2017-0391.

Immediate Steps to Take

Apply security patches provided by Google promptly.
Avoid opening files from untrusted sources.
Monitor official Android security bulletins for updates.

Long-Term Security Practices

Regularly update Android devices to the latest software versions.
Implement network security measures to detect and block malicious activities.

Patching and Updates

Google has released patches to address this vulnerability; ensure timely installation of these updates.