CVE-2020-12651 Explained : Impact and Mitigation

SecureCRT before 8.7.2 allows remote attackers to execute arbitrary code via an Integer Overflow and a Buffer Overflow due to a banner triggering a line number to CSI functions that exceeds INT_MAX.

Understanding CVE-2020-12651

This CVE involves a vulnerability in SecureCRT that can be exploited by remote attackers to execute arbitrary code.

What is CVE-2020-12651?

CVE-2020-12651 is a security vulnerability in SecureCRT that allows attackers to trigger an Integer Overflow and a Buffer Overflow, potentially leading to the execution of arbitrary code.

The Impact of CVE-2020-12651

The vulnerability in SecureCRT before version 8.7.2 can be exploited by remote attackers, posing a significant risk of unauthorized code execution on affected systems.

Technical Details of CVE-2020-12651

This section provides detailed technical information about the CVE.

Vulnerability Description

SecureCRT before 8.7.2 is susceptible to remote code execution due to an Integer Overflow and a Buffer Overflow triggered by a banner exceeding INT_MAX in line number to CSI functions.

Affected Systems and Versions

Product: SecureCRT
Vendor: N/A
Versions affected: All versions before 8.7.2

Exploitation Mechanism

The vulnerability can be exploited remotely by attackers triggering specific functions in SecureCRT, leading to the execution of arbitrary code.

Mitigation and Prevention

Protecting systems from CVE-2020-12651 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update SecureCRT to version 8.7.2 or later to mitigate the vulnerability.
Monitor for any signs of unauthorized access or unusual system behavior.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement network segmentation and access controls to limit exposure to potential threats.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Ensure that SecureCRT is kept up to date with the latest security patches and versions to prevent exploitation of known vulnerabilities.