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CVE-2018-6334

CRITICAL

9.8

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).

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published12/31/2018

Last Modified5/6/2025

Sourcenvd

Honeypot Sightings0

Affected Products

facebook:hhvm

Weaknesses (CWE)

CWE-621CWE-20

References

https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cff(cve-assign@fb.com)

https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.html(cve-assign@fb.com)

https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cff(af854a3a-2127-422b-91ae-364da2661108)

https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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