CVE-2020-7780 : What You Need to Know

This CVE affects the package com.softwaremill.akka-http-session:core_2.13, com.softwaremill.akka-http-session:core_2.12, and com.softwaremill.akka-http-session:core_2.11 before version 0.5.11. It allows bypassing endpoints protected by randomTokenCsrfProtection.

Understanding CVE-2020-7780

This CVE involves a vulnerability related to Cross-site Request Forgery (CSRF).

What is CVE-2020-7780?

CVE-2020-7780 impacts the Akka HTTP Session package versions 0.5.11 and below, specifically affecting the com.softwaremill.akka-http-session:core_2.13, com.softwaremill.akka-http-session:core_2.12, and com.softwaremill.akka-http-session:core_2.11 packages. The vulnerability allows attackers to bypass protected endpoints using specific header and cookie configurations.

The Impact of CVE-2020-7780

The impact of this CVE is rated as MEDIUM severity with a CVSS base score of 6.3. The attack complexity is low, requiring network access and user interaction. While the confidentiality, integrity, and availability impacts are low, the exploit does not require any special privileges.

Technical Details of CVE-2020-7780

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows attackers to bypass endpoints protected by randomTokenCsrfProtection by utilizing specific header and cookie configurations.

Affected Systems and Versions

com.softwaremill.akka-http-session:core_2.13 before 0.5.11
com.softwaremill.akka-http-session:core_2.12 before 0.5.11
com.softwaremill.akka-http-session:core_2.11 before 0.5.11

Exploitation Mechanism

Attackers can exploit this vulnerability by sending requests with an empty X-XSRF-TOKEN header and an empty XSRF-TOKEN cookie, allowing them to bypass CSRF protection mechanisms.

Mitigation and Prevention

To address CVE-2020-7780, follow these mitigation strategies:

Immediate Steps to Take

Upgrade the Akka HTTP Session package to version 0.5.11 or higher.
Implement additional CSRF protection mechanisms.

Long-Term Security Practices

Regularly update and patch software components to prevent vulnerabilities.
Conduct security audits and testing to identify and address potential weaknesses.

Patching and Updates

Apply patches and updates provided by the software vendor to address the vulnerability.