CVE-2018-1327 : Vulnerability Insights and Analysis

Apache Struts 2.1.1 to 2.5.14.1 is affected by a vulnerability that allows a Denial-of-Service (DoS) attack through a specially crafted XML payload.

Understanding CVE-2018-1327

The Apache Struts REST Plugin, utilizing the XStream library, is susceptible to a DoS attack.

What is CVE-2018-1327?

The vulnerability in Apache Struts enables a DoS attack by exploiting a specially crafted XML payload in a malicious request.

The Impact of CVE-2018-1327

Attackers can exploit this vulnerability to launch DoS attacks on systems using affected versions of Apache Struts.

Technical Details of CVE-2018-1327

Apache Struts version 2.1.1 to 2.5.14.1 is affected by this vulnerability.

Vulnerability Description

The Apache Struts REST Plugin, incorporating the XStream library, is vulnerable to a DoS attack through a malicious request with a specially crafted XML payload.

Affected Systems and Versions

Product: Apache Struts
Vendor: Apache Software Foundation
Versions Affected: Apache Struts 2.1.1 to 2.5.14.1

Exploitation Mechanism

Attackers can exploit the vulnerability by sending a malicious request with a specially crafted XML payload, leading to a DoS attack.

Mitigation and Prevention

To address CVE-2018-1327, consider the following steps:

Immediate Steps to Take

Upgrade to Apache Struts version 2.5.16.
Utilize an optional Jackson XML handler as recommended.

Long-Term Security Practices

Implement a custom XML handler based on the Jackson XML handler from Apache Struts 2.5.16.

Patching and Updates

Regularly update Apache Struts to the latest version to ensure protection against known vulnerabilities.