CVE-2017-16355
Phusion Passenger information disclosure
4.7
MEDIUM
CVSS 3.1
EPSS 0.14%
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.
How to fix CVE-2017-16355
To remediate CVE-2017-16355, upgrade the affected package to a fixed version below.
- —upgrade to 5.0.30-1.1 or later
- —upgrade to 5.0.30-1+deb9u1 or later
- —upgrade to 5.1.11 or later
Is CVE-2017-16355 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 5.0.30-1.1
- from 0, < 5.0.30-1+deb9u1
- from 0, < 5.1.11
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |