CVE-2017-1301 Explained : Impact and Mitigation
Learn about CVE-2017-1301 affecting IBM Spectrum Protect versions 7.1 and 8.1. Discover how local attackers can exploit symlink vulnerabilities to overwrite system files.
IBM Spectrum Protect versions 7.1 and 8.1 are vulnerable to a symlink attack, allowing local attackers to overwrite system files with elevated privileges.
Understanding CVE-2017-1301
This CVE identifies a security vulnerability in IBM Spectrum Protect versions 7.1 and 8.1 that could be exploited by attackers to perform symlink attacks.
What is CVE-2017-1301?
The vulnerability in IBM Spectrum Protect versions 7.1 and 8.1 allows attackers to create symbolic links between temporary files and other system files, leading to unauthorized overwriting of critical files with elevated privileges.
The Impact of CVE-2017-1301
The vulnerability enables local attackers to manipulate temporary files insecurely, potentially resulting in the compromise of sensitive system files and data.
Technical Details of CVE-2017-1301
IBM Spectrum Protect versions 7.1 and 8.1 are susceptible to symlink attacks due to insecure handling of temporary files.
Vulnerability Description
- The Backup-archive Client in IBM Spectrum Protect creates temporary files insecurely.
- Attackers with local access can exploit this flaw to create symbolic links to system files.
- This allows attackers to overwrite critical files on the system with elevated privileges.
Affected Systems and Versions
- Product: IBM Spectrum Protect
- Versions: 7.1 and 8.1
Exploitation Mechanism
- Attackers create symbolic links between temporary files and system files.
- By exploiting this vulnerability, attackers can overwrite critical system files.
Mitigation and Prevention
Immediate Steps to Take:
- Apply patches provided by IBM to address the vulnerability.
- Monitor system files for unauthorized changes.
Long-Term Security Practices:
- Implement the principle of least privilege to restrict access.
- Regularly update and patch software to prevent security vulnerabilities.
- Conduct security training for personnel to raise awareness.
Patching and Updates
- IBM has released patches to fix the vulnerability in IBM Spectrum Protect versions 7.1 and 8.1.