CVE-2018-1782 : Vulnerability Insights and Analysis
Learn about CVE-2018-1782, a vulnerability in IBM Spectrum Scale versions 5.0.1.0 and 5.0.1.1 that allows local users to trigger a kernel panic on a GPFS node. Find mitigation steps and long-term security practices here.
IBM Spectrum Scale versions 5.0.1.0 and 5.0.1.1 have a vulnerability that allows local users to trigger a kernel panic on a GPFS node.
Understanding CVE-2018-1782
This CVE involves a vulnerability in IBM Spectrum Scale that can be exploited by unprivileged local users to cause a kernel panic on a GPFS node.
What is CVE-2018-1782?
The vulnerability in IBM Spectrum Scale versions 5.0.1.0 and 5.0.1.1 enables local users without privileged access to induce a kernel panic on a GPFS node by accessing specific files or executing manipulated files on a GPFS file system.
The Impact of CVE-2018-1782
- CVSS Base Score: 6.5 (Medium Severity)
- Attack Vector: Local
- Availability Impact: High
- Exploit Code Maturity: Unproven
- Scope: Changed
- Confidentiality Impact: None
- Integrity Impact: None
- User Interaction: None
- The vulnerability can lead to a denial of service (DoS) scenario on affected systems.
Technical Details of CVE-2018-1782
Vulnerability Description
The vulnerability in IBM Spectrum Scale allows local unprivileged users to trigger a kernel panic on a GPFS node by accessing or executing specific files on a GPFS file system.
Affected Systems and Versions
- Affected Product: Spectrum Scale
- Vendor: IBM
- Affected Versions: 5.0.1.0, 5.0.1.1
Exploitation Mechanism
The vulnerability can be exploited by local users without privileged access through accessing specific files on a GPFS file system using mmap or executing manipulated files stored on the system.
Mitigation and Prevention
Immediate Steps to Take
- Apply the official fix provided by IBM to address the vulnerability.
- Monitor system logs for any unusual activities that might indicate exploitation attempts.
Long-Term Security Practices
- Regularly update and patch IBM Spectrum Scale to ensure the latest security fixes are in place.
- Implement the principle of least privilege to restrict access and minimize the impact of potential vulnerabilities.
Patching and Updates
- Stay informed about security bulletins and updates from IBM to promptly apply patches and fixes to mitigate security risks.