CVE-2018-1000883 : Security Advisory and Response

Elixir Plug Plug version All is susceptible to a Header Injection vulnerability in Connection, allowing the addition of Headers via a crafted cookie value. The issue has been resolved in versions 1.3.5 or higher, as well as versions around 1.2.5, 1.1.9, or 1.0.6.

Understanding CVE-2018-1000883

This CVE involves a Header Injection vulnerability in Elixir Plug Plug version All that could be exploited by manipulating cookie values to add Headers.

What is CVE-2018-1000883?

The vulnerability in Elixir Plug Plug version All allows attackers to inject Headers by providing a malicious cookie value, potentially leading to security breaches.

The Impact of CVE-2018-1000883

This vulnerability could enable attackers to manipulate Headers, compromising the integrity and security of the affected systems.

Technical Details of CVE-2018-1000883

Elixir Plug Plug version All is affected by a Header Injection vulnerability in the Connection component.

Vulnerability Description

The vulnerability allows for the addition of Headers through a crafted cookie value.

Affected Systems and Versions

Affected System: Elixir Plug Plug version All
Affected Versions: 1.3.5 or lower, 1.2.5, 1.1.9, 1.0.6

Exploitation Mechanism

The vulnerability can be exploited by providing a specially crafted cookie value to manipulate Headers.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Update Elixir Plug Plug to version 1.3.5 or higher to mitigate the vulnerability.
Monitor and restrict cookie values to prevent malicious Header injections.

Long-Term Security Practices

Regularly update software components to the latest secure versions.
Implement secure coding practices to prevent Header Injection vulnerabilities.

Patching and Updates

Apply patches provided by Elixir Plug Plug to address the vulnerability.