Medium severity · published Dec 14, 2017
CVE-2017-16355
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…
4.7
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
PA
Passenger · Phusion
5.0.10 before 5.1.10; 5.0.10 before 5.1.11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-16355
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-16355
Third Party Advisory
https://blog.phusion.nl/2017/10/13/passenger-security-advisory-5-1-11/
Patch
https://github.com/phusion/passenger/commit/4043718264095cde6623c2cbe8c644541036d7bf
Issue Tracking
https://seclists.org/bugtraq/2019/Mar/34
Third Party Advisory
https://www.debian.org/security/2019/dsa-4415
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