CVE-2017-8108 : Security Advisory and Response
Learn about CVE-2017-8108, a vulnerability in Lynis before version 2.5.0 allowing local users to write to files or gain privileges through a symlink attack. Find mitigation steps and prevention measures here.
CVE-2017-8108, published on June 8, 2017, highlights a vulnerability in Lynis prior to version 2.5.0 that could allow local users to write to any file or potentially gain elevated privileges through a symlink attack on a temporary file.
Understanding CVE-2017-8108
What is CVE-2017-8108?
Unspecified tests in Lynis before version 2.5.0 could enable local users to write to arbitrary files or potentially gain privileges via a symlink attack on a temporary file.
The Impact of CVE-2017-8108
This vulnerability could lead to local users being able to write to any file or potentially gain elevated privileges through a symlink attack on a temporary file.
Technical Details of CVE-2017-8108
Vulnerability Description
Prior to version 2.5.0 of Lynis, certain tests were not specified, allowing local users to write to any file or potentially gain elevated privileges through a symlink attack on a temporary file.
Affected Systems and Versions
- Product: Lynis
- Vendor: N/A
- Versions affected: Prior to version 2.5.0
Exploitation Mechanism
The vulnerability occurs due to a symlink attack on a temporary file.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade Lynis to version 2.5.0 or later to mitigate the vulnerability.
- Implement least privilege access to limit the impact of potential privilege escalation.
Long-Term Security Practices
- Regularly update and patch software to prevent known vulnerabilities.
- Conduct security assessments and audits to identify and address potential security weaknesses.
Patching and Updates
Ensure that all systems are regularly updated with the latest security patches and versions of software.