CVE-2016-1000109
Medium
Description
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).
SeverityMedium
CVSS5.3
Exploit probability—
Product
Facebook Hhvm
PublishedFeb 19, 2020
First seenFeb 19, 2020
How to fix
Update
- facebook hhvm3.9.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| facebook hhvm | v < 3.9.6, 3.10.0 ≤ v ≤ 3.12.4, 3.13.0 ≤ v ≤ 3.14.2 | 3.9.6 |
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