CVE-2019-4730 : What You Need to Know
Learn about CVE-2019-4730 affecting IBM Cognos Analytics versions 11.0 and 11.1. Understand the XXE vulnerability impact, technical details, and mitigation steps.
IBM Cognos Analytics versions 11.0 and 11.1 are susceptible to an XML External Entity Injection (XXE) attack, potentially allowing attackers to access sensitive data or exhaust memory resources.
Understanding CVE-2019-4730
This CVE involves a security vulnerability in IBM Cognos Analytics versions 11.0 and 11.1 related to the processing of XML data.
What is CVE-2019-4730?
The vulnerability in IBM Cognos Analytics versions 11.0 and 11.1 allows for XML External Entity Injection (XXE) attacks, which could be exploited by external attackers to access sensitive information or deplete memory resources.
The Impact of CVE-2019-4730
The impact of this vulnerability is rated as HIGH severity with a CVSS base score of 7.1. It poses a risk to confidentiality with a potential for unauthorized access to sensitive data.
Technical Details of CVE-2019-4730
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in IBM Cognos Analytics versions 11.0 and 11.1 is due to improper handling of XML data, leading to the XXE attack vector.
Affected Systems and Versions
- Product: Cognos Analytics
- Vendor: IBM
- Affected Versions: 11.0, 11.1
Exploitation Mechanism
The vulnerability can be exploited remotely by sending malicious XML data to the affected system, triggering the XXE attack.
Mitigation and Prevention
Protecting systems from CVE-2019-4730 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply official fixes provided by IBM to address the vulnerability in Cognos Analytics versions 11.0 and 11.1.
- Monitor security bulletins and updates from IBM for any new information or patches.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Implement network security measures to prevent unauthorized access to sensitive systems and data.
Patching and Updates
Ensure that all systems running IBM Cognos Analytics are updated with the latest security patches and fixes.