Improper Input Validation Affecting phusion/passenger package, versions [,5.0.1)


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
2.56% (84th percentile)

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  • Snyk IDSNYK-UNMANAGED-PHUSIONPASSENGER-2364911
  • published26 Jan 2022
  • disclosed8 Jan 2016
  • creditUnknown

Introduced: 8 Jan 2016

CVE-2015-7519  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade phusion/passenger to version 5.0.1 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation agent/Core/Controller/SendRequest.cpp in Phusion Passenger before 4.0.60 and 5.0.x before 5.0.22, when used in Apache integration mode or in standalone mode without a filtering proxy, allows remote attackers to spoof headers passed to applications by using an _ (underscore) character instead of a - (dash) character in an HTTP header, as demonstrated by an X_User header.

CVSS Base Scores

version 3.1