CVE-2017-1000118 : Security Advisory and Response

Akka HTTP versions <= 10.0.5 Illegal Media Range in Accept Header Causes StackOverflowError Leading to Denial of Service

Understanding CVE-2017-1000118

The occurrence of an Illegal Media Range in the Accept Header in Akka HTTP versions older than or equal to 10.0.5 results in a StackOverflowError, which can ultimately lead to a Denial of Service attack.

What is CVE-2017-1000118?

This CVE refers to a vulnerability in Akka HTTP versions <= 10.0.5 where an Illegal Media Range in the Accept Header can trigger a StackOverflowError, potentially resulting in a Denial of Service attack.

The Impact of CVE-2017-1000118

Exploitation of this vulnerability can lead to a Denial of Service attack, impacting the availability of the affected systems.

Technical Details of CVE-2017-1000118

Vulnerability Description

The vulnerability arises from the mishandling of an Illegal Media Range in the Accept Header, causing a StackOverflowError.

Affected Systems and Versions

Akka HTTP versions older than or equal to 10.0.5 are affected by this vulnerability.

Exploitation Mechanism

By sending a crafted request with an Illegal Media Range in the Accept Header, an attacker can trigger a StackOverflowError, potentially leading to a Denial of Service attack.

Mitigation and Prevention

Immediate Steps to Take

Upgrade Akka HTTP to a version higher than 10.0.5 to mitigate the vulnerability.
Implement proper input validation to prevent malicious input from triggering the vulnerability.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and audits to identify and remediate potential weaknesses.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by the vendor to address vulnerabilities.