VDB-99933 · CVE-2016-10345 · OpenVAS 103098

Phusion Passenger up to 5.0.x passenger-install-nginx-module /tmp access control

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.

A vulnerability was found in Phusion Passenger up to 5.0.x. It has been classified as problematic. This affects an unknown functionality of the file /tmp of the component passenger-install-nginx-module. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In Phusion Passenger before 5.1.0, a known /tmp filename was used during passenger-install-nginx-module execution, which could allow local attackers to gain the privileges of the passenger user.

The bug was discovered 09/09/2016. The weakness was presented 04/18/2017 (GitHub Repository). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2016-10345 since 04/18/2017. An attack has to be approached locally. The successful exploitation needs a authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 221 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 5.1.0 eliminates this vulnerability.

See VDB-219396, VDB-221197, VDB-223759 and VDB-228746 for similar entries.






CPE 2.3info

CPE 2.2info


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


VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍



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

NVD Base Score: 🔍


Class: Access control
CWE: CWE-264

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


OpenVAS ID: 103098
OpenVAS Name: Phusion Passenger File Overwrite Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Passenger 5.1.0
Patch: github.com


09/09/2016 🔍
04/18/2017 +221 days 🔍
04/18/2017 +0 days 🔍
04/18/2017 +0 days 🔍
04/19/2017 +1 days 🔍
11/29/2022 +2050 days 🔍


Advisory: e5b4b0824d6b648525b4bf63d9fa37e5beeae441
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-10345 (🔍)
OSVDB: - CVE-2016-10345 - Phusion Passenger - Privilege Escalation Issue

See also: 🔍


Created: 04/19/2017 11:40 AM
Updated: 11/29/2022 03:01 PM
Changes: 04/19/2017 11:40 AM (64), 09/15/2020 07:27 AM (3), 11/29/2022 03:01 PM (5)
Complete: 🔍
Cache ID: 100:BEB:40


No comments yet. Languages: en.

Please log in to comment.

Do you know our Splunk app?

Download it now for free!