CVE-2022-2778 : Security Advisory and Response

A rate limit bypass vulnerability in Octopus Deploy allows attackers to bypass rate limiting on login using null bytes.

Understanding CVE-2022-2778

This CVE refers to a security flaw in Octopus Deploy that enables malicious actors to circumvent rate limiting during login by exploiting null bytes.

What is CVE-2022-2778?

CVE-2022-2778 is a vulnerability in Octopus Deploy that permits unauthorized users to evade rate limits on login attempts by utilizing null bytes.

The Impact of CVE-2022-2778

The impact of this vulnerability is significant as it enables potential attackers to bypass security measures and potentially gain unauthorized access to Octopus Deploy instances.

Technical Details of CVE-2022-2778

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability allows threat actors to bypass rate limiting mechanisms during login using null bytes in affected versions of Octopus Deploy.

Affected Systems and Versions

Vendor: Octopus Deploy
Affected Product: Octopus Server
Vulnerable Versions:
3.0 (status: affected)
Versions less than unspecified - 2022.2.8277 (status: affected)
2022.3.348 (status: affected)
Versions less than unspecified - 2022.3.10586 (status: affected)
2022.4.791 (status: affected)
Versions less than unspecified - 2022.4.1371 (status: affected)

Exploitation Mechanism

The exploitation of this vulnerability involves submitting null bytes during the login process to bypass the rate limiting controls.

Mitigation and Prevention

Learn how to mitigate and prevent the impact of CVE-2022-2778.

Immediate Steps to Take

Immediate actions to address the vulnerability include implementing security measures to counteract rate limit bypass attacks.

Long-Term Security Practices

Long-term security practices involve regularly updating the Octopus Deploy software and applying security patches to prevent such vulnerabilities.

Patching and Updates

Ensure timely installation of security updates and patches released by Octopus Deploy to eliminate the vulnerability and enhance system security.