CVE-2018-18398
4.7 · MEDIUMOverview
CVE-2018-18398 is a medium-severity vulnerability affecting xfce thunar. It was published on October 19, 2018 and has a CVSS 3.0 base score of 4.7 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Xfce Thunar 1.6.15, when Xfce 4.12 is used, mishandles the IBus-Unikey input method for file searches within File Manager, leading to an out-of-bounds read and SEGV. This could potentially be exploited by an arbitrary local user who creates files in /tmp before the victim uses this input method.
Remediation
Check the references section for vendor advisories and patches from xfce. Update thunar 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 |
|---|---|---|---|
| xfce | thunar | >= 0, < 1.6.15 | Affected |
| xfce | xfce | >= 0, < 4.12 | Affected |
Frequently Asked Questions
What is CVE-2018-18398?
CVE-2018-18398 is a medium-severity vulnerability affecting xfce thunar. It was published on October 19, 2018 and has a CVSS 3.0 base score of 4.7 (MEDIUM).
How severe is CVE-2018-18398?
This vulnerability has a CVSS 3.0 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2018-18398?
Check the references section for vendor advisories and patches from xfce. Update thunar 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-2018-18398?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-18398 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
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