CVE-2018-6334
Last modified
CVE-2018-6334 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 1.91% chance of exploitation in the next 30 days.
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).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hhvm | <= 3.21.9 | |
| Hhvm | >= 3.21.10, <= 3.24.5 | |
| Hhvm | >= 3.24.6, <= 3.25.1 |
References
- https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cffPatch, Third Party Advisory
- https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.htmlPatch, Third Party Advisory
- https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cffPatch, Third Party Advisory
- https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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