CVE-2017-16355

Medium

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.

SeverityMedium

CVSS4.7

Exploit probability—

Product

Phusion Passenger

PublishedDec 14, 2017

First seenDec 14, 2017

How to fix

Update

phusion passenger5.1.10, 5.1.11 or later

Vendor advisories

debian.org/security/2019/dsa-4415

Affected products

Product	Affected versions	Fixed in
phusion passenger	5.0.10 ≤ v < 5.1.10, 5.0.10 ≤ v < 5.1.11	5.1.10, 5.1.11
debian debian_linux	9.0	—

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