CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.0	$0-$5k	0.00

A vulnerability classified as problematic was found in Phusion Passenger 4.0.37. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. As an impact it is known to affect integrity. CVE summarizes:

Phusion Passenger 4.0.37 allows local users to write to certain files and directories via a symlink attack on (1) control_process.pid or a (2) generation-* file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-1831.

The weakness was disclosed 02/19/2015 by Raphael Geissert (Website). The advisory is available at github.com. This vulnerability was named CVE-2014-1832 since 01/30/2014. The exploitation appears to be easy. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 81153 (Fedora 20 : rubygem-passenger-4.0.53-3.fc20 (2015-1151)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123302 (Fedora Security Update for rubygem-passenger (FEDORA-2015-1151)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (90874) and Tenable (81153). The entry 74241 is pretty similar.

Productinfo

Vendor

• Phusion

Name

• Passenger

Version

• 4.0.37

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.0
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 81153
Nessus Name: Fedora 20 : rubygem-passenger-4.0.53-3.fc20 (2015-1151)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for rubygem-passenger FEDORA-2015-1151
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

01/29/2014 🔍
01/30/2014 +1 days 🔍
01/30/2014 +0 days 🔍
02/19/2015 +385 days 🔍
02/19/2015 +0 days 🔍
03/30/2015 +39 days 🔍
04/26/2015 +27 days 🔍
04/16/2022 +2547 days 🔍

Sourcesinfo

Advisory: 94428057c602da3d6d34ef75c78091066ecac5c0
Researcher: Raphael Geissert
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-1832 (🔍)
X-Force: 90874
Vulnerability Center: 49878 - Ruby Phusion Passenger 4.0.37 Local Symlink Attack on Server Instance Directory, Low
SecurityFocus: 65267 - Ruby Phusion Passenger CVE-2014-1832 Incomplete Fix Insecure Temporary File Creation Vulnerability

See also: 🔍

Entryinfo

Created: 03/30/2015 12:15
Updated: 04/16/2022 15:40
Changes: 03/30/2015 12:15 (59), 06/27/2017 03:49 (10), 04/16/2022 15:33 (4), 04/16/2022 15:40 (1)
Complete: 🔍

Discussion

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