CVE-2018-1779 : Exploit Details and Defense Strategies
Learn about CVE-2018-1779 affecting IBM API Connect versions 2018.1 through 2018.3.7, allowing unauthenticated attackers to cause denial of service due to JSON payload size limits absence.
IBM API Connect versions 2018.1 through 2018.3.7 are vulnerable to a denial of service attack due to the absence of limits on JSON payload size.
Understanding CVE-2018-1779
This CVE involves a vulnerability in IBM API Connect that could allow an unauthenticated attacker to cause a denial of service.
What is CVE-2018-1779?
The vulnerability in IBM API Connect versions 2018.1 through 2018.3.7 allows attackers to exploit the lack of limits on JSON payload size, leading to a denial of service.
The Impact of CVE-2018-1779
- CVSS Base Score: 7.5 (High)
- Attack Vector: Network
- Attack Complexity: Low
- Availability Impact: High
- Exploit Code Maturity: Unproven
- Privileges Required: None
- User Interaction: None
- Confidentiality Impact: None
- Integrity Impact: None
- Scope: Unchanged
- Remediation Level: Official Fix
- Report Confidence: Confirmed
- Temporal Score: 6.5 (Medium)
Technical Details of CVE-2018-1779
The vulnerability details and how it can be exploited.
Vulnerability Description
The vulnerability arises from the failure to set limits on JSON payload size in IBM API Connect versions 2018.1 through 2018.3.7.
Affected Systems and Versions
- Product: API Connect
- Vendor: IBM
- Versions Affected: 2018.1, 2018.3.7
Exploitation Mechanism
The unauthenticated attacker can exploit the lack of limits on JSON payload size to trigger a denial of service attack.
Mitigation and Prevention
Steps to mitigate and prevent the exploitation of CVE-2018-1779.
Immediate Steps to Take
- Apply the official fix provided by IBM to address the vulnerability.
- Monitor network traffic for any signs of exploitation.
- Implement network-level controls to limit the impact of potential denial of service attacks.
Long-Term Security Practices
- Regularly update and patch the API Connect software to prevent known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address any weaknesses.
Patching and Updates
- Ensure that all systems running API Connect are updated with the latest patches and security fixes.