CVE-2017-8900
4.6 · MEDIUMOverview
CVE-2017-8900 is a medium-severity vulnerability affecting lightdm_project lightdm. It was published on May 12, 2017 and has a CVSS 3.0 base score of 4.6 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
LightDM through 1.22.0, when systemd is used in Ubuntu 16.10 and 17.x, allows physically proximate attackers to bypass intended AppArmor restrictions and visit the home directories of arbitrary users by establishing a guest session.
Remediation
Check the references section for vendor advisories and patches from lightdm_project. Update lightdm 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 |
|---|---|---|---|
| lightdm_project | lightdm | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2017-8900?
CVE-2017-8900 is a medium-severity vulnerability affecting lightdm_project lightdm. It was published on May 12, 2017 and has a CVSS 3.0 base score of 4.6 (MEDIUM).
How severe is CVE-2017-8900?
This vulnerability has a CVSS 3.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2017-8900?
Check the references section for vendor advisories and patches from lightdm_project. Update lightdm 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-2017-8900?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-8900 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.
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