Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2015-7519

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
08/01/2016
Last modified:
12/04/2025

Description

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.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 3.70 LOW
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): None

Base Score 3.x
3.70
Severity 3.x
LOW
Vector 2.0
AV:N/AC:M/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:phusionpassenger:phusion_passenger:*:*:*:*:*:*:*:* 4.0.59 (including)
cpe:2.3:a:phusionpassenger:phusion_passenger:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:phusionpassenger:phusion_passenger:5.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:phusionpassenger:phusion_passenger:5.0.0:beta2:*:*:*:*:*:*
cpe:2.3:a:phusionpassenger:phusion_passenger:5.0.0:beta3:*:*:*:*:*:*
cpe:2.3:a:phusionpassenger:phusion_passenger:5.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:phusionpassenger:phusion_passenger:5.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:phusionpassenger:phusion_passenger:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:phusionpassenger:phusion_passenger:5.0.2:*:*:*:*:*:*:*
cpe:2.3:a:phusionpassenger:phusion_passenger:5.0.3:*:*:*:*:*:*:*
cpe:2.3:a:phusionpassenger:phusion_passenger:5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:phusionpassenger:phusion_passenger:5.0.5:*:*:*:*:*:*:*
cpe:2.3:a:phusionpassenger:phusion_passenger:5.0.6:*:*:*:*:*:*:*
cpe:2.3:a:phusionpassenger:phusion_passenger:5.0.7:*:*:*:*:*:*:*
cpe:2.3:a:phusionpassenger:phusion_passenger:5.0.8:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools