CVE-2018-6558
6.5 · MEDIUMOverview
CVE-2018-6558 is a medium-severity vulnerability affecting google fscrypt. It was published on August 23, 2018 and has a CVSS 3.0 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the values associated with the root user, which allows attackers to gain privileges via a successful login through certain applications that use Linux-PAM (aka pam).
Remediation
Check the references section for vendor advisories and patches from google. Update fscrypt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| fscrypt | >= 0, < 0.2.4 | Affected |
References
Frequently Asked Questions
What is CVE-2018-6558?
CVE-2018-6558 is a medium-severity vulnerability affecting google fscrypt. It was published on August 23, 2018 and has a CVSS 3.0 base score of 6.5 (MEDIUM).
How severe is CVE-2018-6558?
This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2018-6558?
Check the references section for vendor advisories and patches from google. Update fscrypt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-6558?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-6558 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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