Learn about CVE-2019-9347, a vulnerability in the Android m4v_h263 codec allowing unauthorized local information disclosure. Find out about affected systems, exploitation, and mitigation steps.
Android m4v_h263 Codec Vulnerability
Understanding CVE-2019-9347
This CVE involves a vulnerability in the m4v_h263 codec in Android, potentially leading to unauthorized information disclosure.
What is CVE-2019-9347?
The m4v_h263 codec in Android has a flaw that allows data to be accessed beyond the permitted range after being freed, potentially resulting in unauthorized local information disclosure without needing additional privileges. The exploit does not require user interaction.
The Impact of CVE-2019-9347
Technical Details of CVE-2019-9347
Vulnerability Description
The vulnerability in the m4v_h263 codec allows for out-of-bounds read due to a use-after-free scenario, leading to potential local information disclosure.
Affected Systems and Versions
Exploitation Mechanism
The exploit does not rely on user interaction, making it easier for attackers to access local information.
Mitigation and Prevention
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Ensure timely installation of security patches and updates to mitigate the risk of exploitation.