CVE-2019-4614 : Exploit Details and Defense Strategies
Learn about CVE-2019-4614 affecting IBM MQ and IBM MQ Appliance 8.0/9.0 LTS clients, leading to a SIGSEGV denial of service due to message conversion. Find mitigation steps and preventive measures.
IBM MQ and IBM MQ Appliance 8.0 and 9.0 LTS client connecting to a Queue Manager could cause a SIGSEGV denial of service due to converting an invalid message.
Understanding CVE-2019-4614
This CVE involves a vulnerability in IBM MQ and IBM MQ Appliance 8.0 and 9.0 LTS client that could lead to a denial of service attack.
What is CVE-2019-4614?
The vulnerability in IBM MQ and IBM MQ Appliance 8.0 and 9.0 LTS client could potentially result in a SIGSEGV denial of service due to an issue with message conversion.
The Impact of CVE-2019-4614
- CVSS Base Score: 5.3 (Medium)
- Attack Vector: Network
- Attack Complexity: High
- Availability Impact: High
- Exploit Code Maturity: Unproven
- Privileges Required: Low
- Remediation Level: Official Fix
- Report Confidence: Confirmed
- Temporal Score: 4.6 (Medium)
Technical Details of CVE-2019-4614
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows a connection to a Queue Manager by the IBM MQ and IBM MQ Appliance 8.0 and 9.0 LTS client, potentially resulting in a SIGSEGV denial of service due to an issue with message conversion.
Affected Systems and Versions
The following versions are affected:
- IBM MQ 8.0.0.0 to 8.0.0.13
- IBM MQ 9.0.0.0 to 9.1.3
Exploitation Mechanism
The vulnerability can be exploited by connecting to a Queue Manager using the affected IBM MQ and IBM MQ Appliance 8.0 and 9.0 LTS client.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Apply the official fix provided by IBM.
- Monitor IBM's security bulletins for updates and patches.
Long-Term Security Practices
- Regularly update and patch IBM MQ and IBM MQ Appliance to the latest versions.
- Implement network security measures to prevent unauthorized access.
- Conduct regular security assessments and audits.
Patching and Updates
Ensure that all affected systems are updated with the latest patches and fixes provided by IBM.