CVE-2020-36628 : Security Advisory and Response

A critical vulnerability has been identified in Calsign APDE, affecting the handleExtract function of the ZIP File Handler component due to path traversal manipulation. Upgrading to version 0.5.2-pre2-alpha is recommended to mitigate this issue.

Understanding CVE-2020-36628

This CVE pertains to a critical vulnerability in Calsign APDE that allows path traversal through the handleExtract function of the ZIP File Handler component.

What is CVE-2020-36628?

The vulnerability in Calsign APDE enables malicious actors to exploit path traversal by manipulating unknown data, potentially leading to unauthorized access.

The Impact of CVE-2020-36628

The exploitation of this vulnerability could result in unauthorized access to sensitive files and directories, compromising the integrity and confidentiality of the system.

Technical Details of CVE-2020-36628

This section provides technical details regarding the vulnerability.

Vulnerability Description

The vulnerability in Calsign APDE allows for path traversal manipulation through the handleExtract function of the ZIP File Handler component.

Affected Systems and Versions

Vendor: Calsign
Product: APDE
Affected Version: n/a
Affected Module: ZIP File Handler

Exploitation Mechanism

The vulnerability can be exploited by manipulating unknown data to traverse paths within the system, potentially leading to unauthorized access.

Mitigation and Prevention

To address CVE-2020-36628, immediate steps and long-term security practices are recommended.

Immediate Steps to Take

Upgrade the affected component to version 0.5.2-pre2-alpha.

Long-Term Security Practices

Implement input validation mechanisms to prevent path traversal attacks.
Regularly update and patch software components to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate potential weaknesses.

Patching and Updates

Refer to the following resources for mitigation:

VulDB Technical Description
Calsign APDE Commit for Mitigation
Calsign APDE Release for Mitigation