CVE-2018-20186 Explained : Impact and Mitigation

A vulnerability was found in Bento4 version 1.5.1-627 that allows attackers to trigger potentially harmful memory allocation. This issue is related to specific functions within the software.

Understanding CVE-2018-20186

This CVE identifies a vulnerability in Bento4 version 1.5.1-627 that can be exploited to cause extensive memory allocation.

What is CVE-2018-20186?

The vulnerability in Bento4 version 1.5.1-627 allows attackers to exploit a function in the software, leading to potentially harmful memory allocation.

The Impact of CVE-2018-20186

The vulnerability could be exploited by attackers to trigger excessive memory allocation, potentially causing system instability or crashes.

Technical Details of CVE-2018-20186

This section provides technical details about the vulnerability.

Vulnerability Description

The issue lies in the AP4_Sample::ReadData function in Core/Ap4Sample.cpp, allowing attackers to trigger extensive memory allocation.

Affected Systems and Versions

Affected Version: Bento4 version 1.5.1-627
Product: Not applicable
Vendor: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by manipulating the AP4_DataBuffer::SetDataSize and AP4_DataBuffer::ReallocateBuffer functions in Core/Ap4DataBuffer.cpp.

Mitigation and Prevention

Protecting systems from CVE-2018-20186 requires immediate actions and long-term security practices.

Immediate Steps to Take

Monitor vendor updates for patches addressing the vulnerability.
Implement network security measures to detect and block potential exploitation attempts.

Long-Term Security Practices

Regularly update software and apply patches promptly.
Conduct security assessments and penetration testing to identify and address vulnerabilities.
Educate users and IT staff on secure coding practices and awareness of potential threats.
Implement access controls and least privilege principles to limit the impact of successful attacks.

Patching and Updates

Apply patches provided by the software vendor to mitigate the vulnerability.