Vulnerability Description
In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the StaticHandler uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '\' (forward slashes) sequences that can resolve to a location that is outside of that directory when running on Windows Operating Systems.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Eclipse | Vert.X | >= 3.0.0, <= 3.5.3 |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=539171Issue TrackingVendor Advisory
- https://github.com/vert-x3/vertx-web/issues/1025ExploitVendor Advisory
- https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=539171Issue TrackingVendor Advisory
- https://github.com/vert-x3/vertx-web/issues/1025ExploitVendor Advisory
- https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995
FAQ
What is CVE-2018-12542?
CVE-2018-12542 is a vulnerability with a CVSS score of 9.8 (CRITICAL). In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the StaticHandler uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '\' (f...
How severe is CVE-2018-12542?
CVE-2018-12542 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2018-12542?
Check the references section above for vendor advisories and patch information. Affected products include: Eclipse Vert.X, Microsoft Windows.