What is CVE-2016-1000109?

CVE-2016-1000109 is a vulnerability in HHVM that allows remote attackers to redirect a CGI application's outbound HTTP traffic.

How does CVE-2016-1000109 affect HHVM?

CVE-2016-1000109 affects HHVM versions up to 3.14.2 by not protecting CGI applications from the presence of untrusted client data in the HTTP_PROXY environment variable.

What is the severity of CVE-2016-1000109?

CVE-2016-1000109 has a severity value of 5.3, considered medium.

How can I fix CVE-2016-1000109?

To fix CVE-2016-1000109, update HHVM to version 3.14.3 or later.

Where can I find more information about CVE-2016-1000109?

You can find more information about CVE-2016-1000109 on the following references: https://github.com/facebook/hhvm/commit/423b4b719afd5ef4e6e19d8447fbf7b6bc0d0a25, https://httpoxy.org/, and https://www.facebook.com/security/advisories/cve-2016-1000109.

Vulnerability/
CVE-2016-1000109

medium

5.3

CWE

665

19/2/2020

6/3/2020

CVE-2016-1000109

First published: Wed Feb 19 2020(Updated: )

HHVM does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect CGI applications from the presence of untrusted client data in the HTTP_PROXY environment variable, which might allow remote attackers to redirect a CGI application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request, aka an "httpoxy" issue. This issue affects HHVM versions prior to 3.9.6, all versions between 3.10.0 and 3.12.4 (inclusive), and all versions between 3.13.0 and 3.14.2 (inclusive).

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Facebook HHVM	<3.9.6
Facebook HHVM	>=3.10.0<=3.12.4
Facebook HHVM	>=3.13.0<=3.14.2

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Reference Links

Frequently Asked Questions

What is CVE-2016-1000109?
CVE-2016-1000109 is a vulnerability in HHVM that allows remote attackers to redirect a CGI application's outbound HTTP traffic.
How does CVE-2016-1000109 affect HHVM?
CVE-2016-1000109 affects HHVM versions up to 3.14.2 by not protecting CGI applications from the presence of untrusted client data in the HTTP_PROXY environment variable.
What is the severity of CVE-2016-1000109?
CVE-2016-1000109 has a severity value of 5.3, considered medium.
How can I fix CVE-2016-1000109?
To fix CVE-2016-1000109, update HHVM to version 3.14.3 or later.
Where can I find more information about CVE-2016-1000109?
You can find more information about CVE-2016-1000109 on the following references: https://github.com/facebook/hhvm/commit/423b4b719afd5ef4e6e19d8447fbf7b6bc0d0a25, https://httpoxy.org/, and https://www.facebook.com/security/advisories/cve-2016-1000109.

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agent/softwarecombine
agent/first-publish-date
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vendor/facebook
canonical/facebook hhvm
version/facebook hhvm/3.10.0
version/facebook hhvm/3.12.4
version/facebook hhvm/3.13.0
version/facebook hhvm/3.14.2

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