Current 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.
Source:
MITRE
Description Last Modified:
12/14/2017
View Analysis Description
Analysis 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.
Source:
MITRE
Description Last Modified:
12/14/2017
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
5.3 MEDIUM
Vector:
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
(V3 legend)
Impact Score:
3.6
Exploitability Score:
1.6
Attack Vector (AV):
Network
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 v2.0 Severity and Metrics:
Base Score:
2.1 LOW
Vector:
(AV:N/AC:H/Au:S/C:P/I:N/A:N)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
3.9
Access Vector (AV):
Network
Access Complexity (AC):
High
Authentication (AU):
Single
Confidentiality (C):
Partial
Integrity (I):
None
Availability (A):
None
Additional Information:
Allows unauthorized disclosure of information
References to Advisories, Solutions, and Tools
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Technical Details
Vulnerability Type
(View All)
- Information Leak / Disclosure (CWE-200)
Change History
1 change record found
- show changes
Initial Analysis -
1/12/2018 11:42:44 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:phusionpassenger:phusion_passenger:5.0.10:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:N/AC:H/Au:S/C:P/I:N/A:N) |
| Added |
CVSS V3 |
|
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
| Added |
CWE |
|
CWE-200 |
| Changed |
Reference Type |
https://blog.phusion.nl/2017/10/13/passenger-security-advisory-5-1-11/ No Types Assigned |
https://blog.phusion.nl/2017/10/13/passenger-security-advisory-5-1-11/ Third Party Advisory |
| Changed |
Reference Type |
https://github.com/phusion/passenger/commit/4043718264095cde6623c2cbe8c644541036d7bf No Types Assigned |
https://github.com/phusion/passenger/commit/4043718264095cde6623c2cbe8c644541036d7bf Patch |