CVE-2018-10868 : Security Advisory and Response
Learn about CVE-2018-10868 affecting Red Hat Certification 7, allowing unauthorized users to launch a "Billion Laugh Attack" through XML documents. Find mitigation steps and patching recommendations.
Red Hat Certification 7 is affected by a flaw that allows unauthorized users to execute a "Billion Laugh Attack" through XML documents.
Understanding CVE-2018-10868
In Red Hat Certification 7, a vulnerability exists in the handling of recursive definitions in XML documents, enabling unauthorized users to launch a specific type of attack.
What is CVE-2018-10868?
The vulnerability in Red Hat Certification 7 permits unauthorized users to execute a "Billion Laugh Attack" by manipulating XMLRPC methods.
The Impact of CVE-2018-10868
This vulnerability could lead to a denial of service (DoS) condition by overwhelming the system with recursive entity definitions.
Technical Details of CVE-2018-10868
Vulnerability Description
The flaw in Red Hat Certification 7 allows unauthorized users to exploit recursive entity definitions in XML documents, potentially causing a DoS.
Affected Systems and Versions
- Product: Red Hat Certification
- Version: 7
Exploitation Mechanism
Unauthorized users can trigger the vulnerability by responding to XMLRPC methods while retrieving a host's status.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by Red Hat to address the vulnerability.
- Monitor network traffic for any suspicious activity related to XMLRPC methods.
Long-Term Security Practices
- Regularly update and patch systems to prevent known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
Ensure that Red Hat Certification 7 is updated with the latest patches to mitigate the CVE-2018-10868 vulnerability.