CVE-2019-4728 : Security Advisory and Response
Learn about CVE-2019-4728 affecting IBM Sterling B2B Integrator versions 5.2.0.0 to 5.2.6.5_2, 6.0.0.0 to 6.0.3.2, and 6.1.0.0. Understand the impact, technical details, and mitigation steps for this high-severity vulnerability.
IBM Sterling B2B Integrator Standard Edition versions 5.2.0.0 to 5.2.6.5_2, 6.0.0.0 to 6.0.3.2, and 6.1.0.0 are vulnerable to remote code execution due to deserialization of untrusted data. An attacker could exploit this to execute arbitrary code with SYSTEM privileges.
Understanding CVE-2019-4728
This CVE involves a vulnerability in IBM Sterling B2B Integrator Standard Edition that allows remote attackers to execute arbitrary code on the system.
What is CVE-2019-4728?
The vulnerability in IBM Sterling B2B Integrator Standard Edition versions 5.2.0.0 to 5.2.6.5_2, 6.0.0.0 to 6.0.3.2, and 6.1.0.0 enables remote attackers to execute arbitrary code with SYSTEM privileges by exploiting deserialization of untrusted data.
The Impact of CVE-2019-4728
- CVSS Base Score: 8.8 (High)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Exploit Code Maturity: Unproven
- User Interaction: None
- Remediation Level: Official Fix
- Report Confidence: Confirmed
Technical Details of CVE-2019-4728
Vulnerability Description
The vulnerability arises from deserialization of untrusted data in IBM Sterling B2B Integrator Standard Edition.
Affected Systems and Versions
- IBM Sterling B2B Integrator Standard Edition 5.2.0.0 to 5.2.6.5_2
- IBM Sterling B2B Integrator Standard Edition 6.0.0.0 to 6.0.3.2
- IBM Sterling B2B Integrator Standard Edition 6.1.0.0
Exploitation Mechanism
By sending a specifically crafted request, a remote attacker can exploit the deserialization vulnerability to execute arbitrary code with SYSTEM privileges.
Mitigation and Prevention
Immediate Steps to Take
- Apply official fixes provided by IBM to address the vulnerability.
- Monitor IBM's security bulletins for updates and patches.
Long-Term Security Practices
- Implement strict input validation mechanisms to prevent deserialization vulnerabilities.
- Regularly update and patch IBM Sterling B2B Integrator to mitigate potential security risks.
Patching and Updates
Ensure timely installation of security patches and updates provided by IBM to safeguard against known vulnerabilities.