CVE-2019-4513 : Security Advisory and Response
Learn about CVE-2019-4513, a high-severity XXE vulnerability in IBM Security Access Manager for Enterprise Single Sign-On 8.2.2. Discover the impact, technical details, and mitigation steps to secure your system.
IBM Security Access Manager for Enterprise Single Sign-On 8.2.2 is vulnerable to an XML External Entity Injection (XXE) attack, allowing remote attackers to exploit the system. Learn about the impact, technical details, and mitigation steps.
Understanding CVE-2019-4513
This CVE involves a vulnerability in IBM Security Access Manager for Enterprise Single Sign-On 8.2.2 that enables attackers to perform an XML External Entity Injection (XXE) attack.
What is CVE-2019-4513?
The vulnerability in IBM Security Access Manager for Enterprise Single Sign-On 8.2.2 allows remote attackers to execute an XXE attack during XML data processing. This can lead to exposure of sensitive information or memory resource depletion.
The Impact of CVE-2019-4513
- CVSS Base Score: 8.2 (High Severity)
- Attack Vector: Network
- Confidentiality Impact: High
- Availability Impact: Low
- Temporal Score: 7.1 (High Severity)
- Exploit Code Maturity: Unproven
- Vulnerability Description: XML External Entity Injection (XXE) attack
Technical Details of CVE-2019-4513
Vulnerability Description
The vulnerability allows attackers to exploit XML data processing, potentially leading to exposure of sensitive data or memory resource exhaustion.
Affected Systems and Versions
- Product: Security Access Manager for Enterprise Single Sign-On
- Vendor: IBM
- Affected Version: 8.2.2
Exploitation Mechanism
Attackers can leverage the XXE vulnerability during XML data processing to carry out malicious activities.
Mitigation and Prevention
Immediate Steps to Take
- Apply official fixes provided by IBM to address the vulnerability.
- Monitor for any unusual activities or unauthorized access attempts.
Long-Term Security Practices
- Regularly update and patch the system to prevent known vulnerabilities.
- Implement network segmentation and access controls to limit exposure.
- Conduct security training for employees to raise awareness of potential threats.
Patching and Updates
Ensure that the system is regularly updated with the latest security patches and fixes to mitigate the risk of exploitation.