CVE-2020-13788 : Security Advisory and Response

Harbor prior to 2.0.1 allows SSRF with the limitation that an attacker with project editing abilities can scan ports of hosts accessible on the Harbor server's intranet.

Understanding CVE-2020-13788

Harbor vulnerability allowing SSRF attacks.

What is CVE-2020-13788?

Harbor version prior to 2.0.1 is susceptible to Server-Side Request Forgery (SSRF) attacks, enabling attackers to scan ports of intranet hosts accessible via the Harbor server.

The Impact of CVE-2020-13788

Attackers can exploit this vulnerability to scan and potentially target internal hosts through the Harbor server.

Technical Details of CVE-2020-13788

Harbor SSRF vulnerability details.

Vulnerability Description

Harbor before version 2.0.1 is vulnerable to SSRF attacks, allowing unauthorized scanning of intranet hosts' ports.

Affected Systems and Versions

Product: Harbor
Vendor: N/A
Versions Affected: < 2.0.1

Exploitation Mechanism

Attackers with project editing privileges can manipulate Harbor to scan and potentially exploit internal hosts.

Mitigation and Prevention

Protecting systems from CVE-2020-13788.

Immediate Steps to Take

Update Harbor to version 2.0.1 or later to mitigate the SSRF vulnerability.
Restrict project editing permissions to trusted users to limit potential exploitation.

Long-Term Security Practices

Regularly monitor and audit Harbor server logs for suspicious activities.
Educate users on SSRF risks and best practices to prevent unauthorized scanning.

Patching and Updates

Apply patches and updates promptly to ensure Harbor's security against known vulnerabilities.