What is CVE-2016-1000005?

CVE-2016-1000005 is a vulnerability in HHVM, the HipHop Virtual Machine, that allows for type confusion due to improper enforcement of the "module" parameter type in the mcrypt_get_block_size function.

What is the severity of CVE-2016-1000005?

The severity of CVE-2016-1000005 is rated as critical with a CVSS score of 9.8.

How can I fix CVE-2016-1000005?

To fix CVE-2016-1000005, you should update HHVM to version 3.9.5 or higher if using a version prior to 3.9.5, or upgrade to a version higher than 3.14.1 if using a version between 3.10.0 and 3.14.1.

Where can I find more information about CVE-2016-1000005?

You can find more information about CVE-2016-1000005 at the following references: [GitHub commit](https://github.com/facebook/hhvm/commit/39e7e177473350b3a5c34e8824af3b98e25efa89), [Facebook Security Advisories](https://www.facebook.com/security/advisories/cve-2016-1000005).

Vulnerability/
CVE-2016-1000005

critical

9.8

CWE

843

19/2/2020

5/3/2020

CVE-2016-1000005

First published: Wed Feb 19 2020(Updated: )

mcrypt_get_block_size did not enforce that the provided "module" parameter was a string, leading to type confusion if other types of data were passed in. This issue affects HHVM versions prior to 3.9.5, all versions between 3.10.0 and 3.12.3 (inclusive), and all versions between 3.13.0 and 3.14.1 (inclusive).

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Facebook HHVM	<3.9.5
Facebook HHVM	>=3.10.0<=3.12.3
Facebook HHVM	>=3.13.0<=3.14.1

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Frequently Asked Questions

What is CVE-2016-1000005?
CVE-2016-1000005 is a vulnerability in HHVM, the HipHop Virtual Machine, that allows for type confusion due to improper enforcement of the "module" parameter type in the mcrypt_get_block_size function.
What is the severity of CVE-2016-1000005?
The severity of CVE-2016-1000005 is rated as critical with a CVSS score of 9.8.
Which versions of HHVM are affected by CVE-2016-1000005?
HHVM versions prior to 3.9.5, all versions between 3.10.0 and 3.12.3 (inclusive), and all versions between 3.13.0 and 3.14.1 (inclusive) are affected by CVE-2016-1000005.
How can I fix CVE-2016-1000005?
To fix CVE-2016-1000005, you should update HHVM to version 3.9.5 or higher if using a version prior to 3.9.5, or upgrade to a version higher than 3.14.1 if using a version between 3.10.0 and 3.14.1.
Where can I find more information about CVE-2016-1000005?
You can find more information about CVE-2016-1000005 at the following references: [GitHub commit](https://github.com/facebook/hhvm/commit/39e7e177473350b3a5c34e8824af3b98e25efa89), [Facebook Security Advisories](https://www.facebook.com/security/advisories/cve-2016-1000005).

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vendor/facebook
canonical/facebook hhvm
version/facebook hhvm/3.10.0
version/facebook hhvm/3.12.3
version/facebook hhvm/3.13.0
version/facebook hhvm/3.14.1

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