CVE-2020-18651 Explained : Impact and Mitigation

This CVE record discusses a Buffer Overflow vulnerability in function ID3_Support::ID3v2Frame::getFrameValue in exempi 2.5.0 and earlier, allowing remote attackers to cause a denial of service via opening a crafted audio file with ID3V2 frame.

Understanding CVE-2020-18651

This CVE identifies a specific vulnerability in the exempi software that could be exploited by remote attackers.

What is CVE-2020-18651?

The CVE-2020-18651 vulnerability is a Buffer Overflow issue in the ID3_Support::ID3v2Frame::getFrameValue function within exempi versions 2.5.0 and earlier. This flaw enables attackers to trigger a denial of service by manipulating ID3V2 frames in specially crafted audio files.

The Impact of CVE-2020-18651

The vulnerability poses a risk of denial of service attacks, potentially disrupting the functionality of systems running affected versions of exempi.

Technical Details of CVE-2020-18651

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from a Buffer Overflow in the ID3_Support::ID3v2Frame::getFrameValue function in exempi versions 2.5.0 and earlier.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: All versions of exempi 2.5.0 and earlier are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability by enticing a user to open a specially crafted audio file containing malicious ID3V2 frames.

Mitigation and Prevention

To address CVE-2020-18651, consider the following mitigation strategies.

Immediate Steps to Take

Apply security updates promptly to mitigate the vulnerability.
Avoid opening audio files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.
Implement network security measures to detect and block malicious activities.

Patching and Updates

Ensure that you update exempi to a non-vulnerable version to protect systems from potential exploits.