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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The vulnerability ID for this issue is CVE-2018-6334.
The severity of CVE-2018-6334 is critical with a score of 9.8.
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.
CVE-2018-6334 allows variables to be improperly registered in the global scope during multipart-file uploads, which can lead to unexpected behavior.
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).