CVE-2020-6139 : Exploit Details and Defense Strategies

A SQL injection vulnerability in the password reset functionality of OS4Ed openSIS 7.3 poses a critical threat with a CVSS base score of 9.8.

Understanding CVE-2020-6139

This CVE involves a high-severity SQL injection vulnerability in OS4Ed openSIS 7.3, allowing attackers to manipulate SQL queries.

What is CVE-2020-6139?

OS4Ed openSIS 7.3 is susceptible to SQL injection via the username_stf_email parameter in the password reset page, enabling unauthorized database access.

The Impact of CVE-2020-6139

The vulnerability has a critical base severity score of 9.8, with high impacts on confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2020-6139

This section delves into the specifics of the vulnerability.

Vulnerability Description

The flaw resides in the password reset functionality of OS4Ed openSIS 7.3, allowing SQL injection through the username_stf_email parameter.

Affected Systems and Versions

Product: OS4Ed
Version: OS4Ed openSIS 7.3

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: None
Scope: Unchanged
Exploitation can lead to unauthorized data access and system compromise.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial.

Immediate Steps to Take

Disable password reset functionality if not essential.
Implement input validation to sanitize user inputs.
Monitor and filter incoming requests for suspicious SQL injection patterns.

Long-Term Security Practices

Regular security training for developers on secure coding practices.
Conduct periodic security assessments and penetration testing.

Patching and Updates

Apply patches or updates provided by the vendor to address the SQL injection vulnerability.