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HTTP Header Injection Affecting drupal/core package, versions >=8, <8.1.7

0.0
high

Snyk CVSS

    Attack Complexity High
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 95.07% (100th percentile)
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NVD
8.1 high
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Red Hat
5 medium

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  • Snyk ID SNYK-PHP-DRUPALCORE-70047
  • published 18 Jul 2016
  • disclosed 18 Jul 2016
  • credit Unknown
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Introduced: 18 Jul 2016

CVE-2016-5385 Open this link in a new tab
CWE-74 Open this link in a new tab

How to fix?

Upgrade drupal/core to version 8.1.7 or higher.

Overview

Affected versions of drupal/core are vulnerable to HTTP Header Injection.

PHP through 7.0.8 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect applications from the presence of untrusted client data in the HTTP_PROXY environment variable, which might allow remote attackers to redirect an application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request, as demonstrated by (1) an application that makes a getenv('HTTP_PROXY') call or (2) a CGI configuration of PHP, aka an "httpoxy" issue.