CVE-2020-26130 : What You Need to Know

CVE-2020-26130 pertains to vulnerabilities found in Open TFTP Server versions 1.66, both multithreaded and single port, allowing attackers to elevate privileges through insufficient access restrictions.

Understanding CVE-2020-26130

What is CVE-2020-26130?

CVE-2020-26130 involves a security issue in Open TFTP Server versions 1.66, where default installation directory access restrictions are inadequate, enabling attackers to escalate privileges by replacing specific binary files.

The Impact of CVE-2020-26130

The vulnerability in Open TFTP Server versions 1.66 can lead to privilege escalation, potentially allowing unauthorized access and control over affected systems.

Technical Details of CVE-2020-26130

Vulnerability Description

The flaw in Open TFTP Server versions 1.66 allows attackers to replace critical binary files, OpenTFTPServerMT.exe or OpenTFTPServerSP.exe, due to insufficient access controls in the default installation directory.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: 1.66

Exploitation Mechanism

Attackers can exploit this vulnerability by replacing specific binary files within the Open TFTP Server installation directory, leading to privilege escalation.

Mitigation and Prevention

Immediate Steps to Take

Implement access controls and restrict write permissions in the Open TFTP Server installation directory.
Regularly monitor and audit file integrity to detect unauthorized changes.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Stay informed about security updates and patches for Open TFTP Server to mitigate future risks.

Patching and Updates

Apply the latest patches and updates provided by Open TFTP Server to address the vulnerability and enhance system security.