CVE-2016-3166

Description

CRLF injection vulnerability in the drupal_set_header function in Drupal 6.x before 6.38, when used with PHP before 5.1.2, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks by leveraging a module that allows user-submitted data to appear in HTTP headers.

5.9

CVSS

Severity: Medium

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.50%

Vendor Advisory debian.org Vendor Advisory drupal.org

Affected: n/a n/a

References

Link	Tags
http://www.openwall.com/lists/oss-security/2016/02/24/19	mailing list
http://www.openwall.com/lists/oss-security/2016/03/15/10	mailing list
http://www.debian.org/security/2016/dsa-3498	vendor advisory
https://www.drupal.org/SA-CORE-2016-001	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-3166?: CVE-2016-3166 has been scored as a medium severity vulnerability.
How to fix CVE-2016-3166?: To fix CVE-2016-3166, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-3166 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2016-3166 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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