CVE-2017-16355

Severity CVSS v4.0:

Pending analysis

Type:

CWE-200 Information Leak / Disclosure

Publication date:

14/12/2017

Last modified:

20/04/2025

Description

In agent/Core/SpawningKit/Spawner.h in Phusion Passenger 5.1.10 (fixed in Passenger Open Source 5.1.11 and Passenger Enterprise 5.1.10), if Passenger is running as root, it is possible to list the contents of arbitrary files on a system by symlinking a file named REVISION from the application root folder to a file of choice and querying passenger-status --show=xml.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.70 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

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

Base Score 3.x

4.70

Severity 3.x

MEDIUM

Vector 2.0

AV:L/AC:H/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 1.20 LOW
Vector: AV:L/AC:H/Au:N/C:P/I:N/A:N

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

Base Score 2.0

1.20

Severity 2.0

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:phusion:passenger:::::enterprise:::*	5.0.10 (including)	5.1.10 (excluding)
cpe:2.3:a:phusion:passenger:::::open_source:::*	5.0.10 (including)	5.1.11 (excluding)
cpe:2.3:o:debian:debian_linux:9.0:::::::*

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

CVE-2017-16355

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools