CVE-2017-12475 : What You Need to Know

A crafted mp4 file can trigger a NULL pointer dereference in Bento4 mp4encrypt versions earlier than 1.5.0-616, leading to an application crash when exploiting the AP4_Processor::Process function.

Understanding CVE-2017-12475

What is CVE-2017-12475?

The vulnerability in Bento4 mp4encrypt versions prior to 1.5.0-616 allows remote attackers to exploit a crafted mp4 file, resulting in a denial of service through a NULL pointer dereference and application crash.

The Impact of CVE-2017-12475

Exploiting this vulnerability can lead to a denial of service (DoS) condition, causing affected applications to crash, potentially disrupting services and operations.

Technical Details of CVE-2017-12475

Vulnerability Description

The issue arises from the AP4_Processor::Process function in Core/Ap4Processor.cpp in Bento4 mp4encrypt versions before 1.5.0-616, where a crafted mp4 file triggers a NULL pointer dereference, leading to an application crash.

Affected Systems and Versions

Vendor: Bento4
Product: mp4encrypt
Versions Affected: < 1.5.0-616

Exploitation Mechanism

Remote attackers can exploit this vulnerability by manipulating a specially crafted mp4 file to trigger the NULL pointer dereference, causing the application to crash.

Mitigation and Prevention

Immediate Steps to Take

Update Bento4 to version 1.5.0-616 or later to mitigate the vulnerability.
Avoid opening untrusted or suspicious mp4 files to prevent potential exploitation.

Long-Term Security Practices

Regularly update software and applications to the latest versions to address known vulnerabilities.
Implement network security measures to detect and block malicious activities targeting vulnerable systems.

Patching and Updates

Apply patches and security updates provided by the vendor promptly to address vulnerabilities and enhance system security.