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CVE-2017-16355

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Date: December 14, 2017

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.

Language: C

Severity Score

Related Resources (8)

https://github.com/phusion/passenger/commit/4043718264095cde6623c2cbe8c644541036d7bf
https://www.debian.org/security/2019/dsa-4415
https://seclists.org/bugtraq/2019/Mar/34
https://nvd.nist.gov/vuln/detail/CVE-2017-16355
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-16355
https://blog.phusion.nl/2017/10/13/passenger-security-advisory-5-1-11/
https://security-tracker.debian.org/tracker/CVE-2017-16355
https://www.mend.io/vulnerability-database/CVE-2017-16355

Severity Score

Weakness Type (CWE)

Information Leak / Disclosure

CWE-200

Top Fix

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CVSS v3.1

Base Score:
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

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): HIGH
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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