CVE-2020-10366 Explained : Impact and Mitigation

LogicalDoc before 8.3.3 is vulnerable to /servlet.gupld Directory Traversal, distinct from CVE-2020-9423 and CVE-2020-10365.

Understanding CVE-2020-10366

LogicalDoc before version 8.3.3 is susceptible to a specific type of Directory Traversal vulnerability.

What is CVE-2020-10366?

This CVE identifies a security issue in LogicalDoc that allows attackers to perform Directory Traversal through the /servlet.gupld endpoint.

The Impact of CVE-2020-10366

The vulnerability can be exploited by malicious actors to access sensitive files and directories on the affected system, potentially leading to unauthorized data disclosure or system compromise.

Technical Details of CVE-2020-10366

LogicalDoc's vulnerability has the following technical aspects:

Vulnerability Description

LogicalDoc before 8.3.3 is prone to /servlet.gupld Directory Traversal, enabling unauthorized access to files outside the intended directory structure.

Affected Systems and Versions

Product: LogicalDoc
Vendor: LogicalDoc
Versions Affected: All versions before 8.3.3

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating directory traversal sequences in requests to the /servlet.gupld endpoint.

Mitigation and Prevention

To address CVE-2020-10366, consider the following mitigation strategies:

Immediate Steps to Take

Update LogicalDoc to version 8.3.3 or later to eliminate the vulnerability.
Implement strict input validation to prevent malicious directory traversal attempts.

Long-Term Security Practices

Regularly monitor and audit file access and permissions within the application.
Conduct security assessments to identify and remediate similar vulnerabilities.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by LogicalDoc to address known vulnerabilities.