Vulnerability Description
Multipart-file uploads call variables to be improperly registered in the global scope. In cases where variables are not declared explicitly before being used this can lead to unexpected behavior. This affects all supported versions of HHVM prior to the patch (3.25.1, 3.24.5, and 3.21.9 and below).
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Hhvm | <= 3.21.9 |
Related Weaknesses (CWE)
References
- https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cffPatchThird Party Advisory
- https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.htmlPatchThird Party Advisory
- https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cffPatchThird Party Advisory
- https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.htmlPatchThird Party Advisory
FAQ
What is CVE-2018-6334?
CVE-2018-6334 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Multipart-file uploads call variables to be improperly registered in the global scope. In cases where variables are not declared explicitly before being used this can lead to unexpected behavior. This...
How severe is CVE-2018-6334?
CVE-2018-6334 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-2018-6334?
Check the references section above for vendor advisories and patch information. Affected products include: Facebook Hhvm.