CVE-2019-4406 Explained : Impact and Mitigation
Learn about CVE-2019-4406 affecting IBM Spectrum Protect Backup-Archive Client versions 7.1 and 8.1. Find out the impact, technical details, and mitigation steps for this denial of service vulnerability.
IBM Spectrum Protect Backup-Archive Client versions 7.1 and 8.1 are susceptible to a denial of service vulnerability due to a timing conflict in TCP/IP communication.
Understanding CVE-2019-4406
This CVE involves a potential risk in IBM Spectrum Protect Backup-Archive Client versions 7.1 and 8.1, leading to a denial of service attack.
What is CVE-2019-4406?
- The vulnerability arises from a timing conflict between client and server communication using TCP/IP.
- Identified by IBM X-Force with ID number 162477.
The Impact of CVE-2019-4406
- CVSS v3.0 Base Score: 4.4 (Medium Severity)
- Attack Vector: Local
- Attack Complexity: Low
- Availability Impact: High
- Exploit Code Maturity: Unproven
- Privileges Required: High
- Scope: Unchanged
- The vulnerability could result in a denial of service attack.
Technical Details of CVE-2019-4406
IBM Spectrum Protect Backup-Archive Client versions 7.1 and 8.1 are affected by a timing issue in TCP/IP communication.
Vulnerability Description
- Denial of service vulnerability due to a timing conflict in TCP/IP communication.
Affected Systems and Versions
- Product: Spectrum Protect Backup-Archive Client
- Vendor: IBM
- Vulnerable Versions: 7.1.0.0, 7.1.8.6, 8.1.0.0, 8.1.8.0
Exploitation Mechanism
- Attackers can exploit the timing conflict in TCP/IP communication to launch a denial of service attack.
Mitigation and Prevention
Immediate Steps to Take:
- Apply official fixes provided by IBM to address the vulnerability.
Long-Term Security Practices:
- Regularly update and patch the IBM Spectrum Protect Backup-Archive Client software.
- Monitor security bulletins and updates from IBM for any new vulnerabilities.
- Implement network security measures to detect and prevent denial of service attacks.
- Conduct regular security assessments and audits to identify and mitigate potential risks.
- Consider network segmentation to limit the impact of potential attacks.
- Educate users on security best practices to prevent exploitation of vulnerabilities.
- Engage in threat intelligence sharing to stay informed about emerging threats.
- Collaborate with IT security professionals to enhance overall cybersecurity posture.
- Stay vigilant and proactive in addressing security vulnerabilities.
Patching and Updates
- IBM has released official fixes to address the vulnerability in affected versions of the Spectrum Protect Backup-Archive Client.