CVE-2023-45826 Explained : Impact and Mitigation

Understanding CVE-2023-45826

Leantime, an open-source project management system, is impacted by an authenticated SQL Injection vulnerability due to improper neutralization of special elements in an SQL command.

What is CVE-2023-45826?

CVE-2023-45826 is a vulnerability in Leantime where a specific variable is not parameterized, allowing an authenticated attacker to exploit an SQL injection flaw by sending a crafted POST request to

/api/jsonrpc

. This can lead to a confidentiality breach by extracting sensitive information from the database.

The Impact of CVE-2023-45826

The impact of CVE-2023-45826 is rated as MEDIUM severity with a CVSS base score of 6.5. It affects the confidentiality of the system as it enables unauthorized access to private data.

Technical Details of CVE-2023-45826

Vulnerability Description

The vulnerability arises from the 'userId' variable in

app/domain/files/repositories/class.files.php

not being parameterized, allowing attackers to perform SQL injection attacks.

Affected Systems and Versions

The vulnerability affects Leantime versions prior to 2.4-beta-4.

Exploitation Mechanism

An authenticated attacker can exploit this flaw by sending a carefully crafted POST request to

/api/jsonrpc

.

Mitigation and Prevention

Immediate Steps to Take

Users are strongly advised to upgrade to version 2.4-beta-4 to mitigate the SQL injection vulnerability.

Long-Term Security Practices

Implement secure coding practices, such as input validation and parameterization, to prevent SQL injection attacks in the future.

Patching and Updates

Stay informed about security advisories and regularly update software to protect against known vulnerabilities.