What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2018-6334.

What is the severity of CVE-2018-6334?

The severity of CVE-2018-6334 is critical with a score of 9.8.

How does CVE-2018-6334 affect multipart-file uploads?

CVE-2018-6334 allows variables to be improperly registered in the global scope during multipart-file uploads, which can lead to unexpected behavior.

Where can I find more information about CVE-2018-6334?

You can find more information about CVE-2018-6334 on the GitHub commit (https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cff) and the HHVM blog post (https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.html).

Vulnerability/
CVE-2018-6334

critical

9.8

CWE

20 621

31/12/2018

9/10/2019

CVE-2018-6334: Input Validation

Q: Which versions of HHVM are affected by CVE-2018-6334?

All supported versions of HHVM prior to the patch (3.25.1, 3.24.5, and 3.21.9 and below) are affected by CVE-2018-6334.

First published: Mon Dec 31 2018(Updated: )

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).

Credit: cve-assign@fb.com

Affected Software	Affected Version	How to fix
Facebook HHVM	<=3.21.9
Facebook HHVM	>=3.21.10<=3.24.5
Facebook HHVM	>=3.24.6<=3.25.1

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Frequently Asked Questions

What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2018-6334.
What is the severity of CVE-2018-6334?
The severity of CVE-2018-6334 is critical with a score of 9.8.
Which versions of HHVM are affected by CVE-2018-6334?
All supported versions of HHVM prior to the patch (3.25.1, 3.24.5, and 3.21.9 and below) are affected by CVE-2018-6334.
How does CVE-2018-6334 affect multipart-file uploads?
CVE-2018-6334 allows variables to be improperly registered in the global scope during multipart-file uploads, which can lead to unexpected behavior.
Where can I find more information about CVE-2018-6334?
You can find more information about CVE-2018-6334 on the GitHub commit (https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cff) and the HHVM blog post (https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.html).

collector/nvd-index
agent/author
agent/type
agent/references
agent/severity
agent/weakness
agent/tags
agent/description
agent/event
agent/remedy
agent/last-modified-date
agent/softwarecombine
agent/first-publish-date
vendor/facebook
canonical/facebook hhvm
version/facebook hhvm/3.21.9
version/facebook hhvm/3.21.10
version/facebook hhvm/3.24.5
version/facebook hhvm/3.24.6
version/facebook hhvm/3.25.1

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