Ulterius up to 1.8.4 HTTP Server HttpServer.cs Process path traversal

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.
6.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Ulterius up to 1.8.4 and classified as critical. Affected by this vulnerability is the function Process of the file RemoteTaskServer/WebServer/HttpServer.cs of the component HTTP Server. The manipulation leads to path traversal. This vulnerability is known as CVE-2017-16806. The attack can be launched remotely. Furthermore, there is an exploit available. It is recommended to upgrade the affected component. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability, which was classified as critical, was found in Ulterius up to 1.8.4. Affected is the function Process of the file RemoteTaskServer/WebServer/HttpServer.cs of the component HTTP Server. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

The Process function in RemoteTaskServer/WebServer/HttpServer.cs in Ulterius before 1.9.5.0 allows HTTP server directory traversal.

The bug was discovered 11/15/2017. The weakness was released 11/13/2017 (GitHub Repository). The advisory is available at github.com. This vulnerability is traded as CVE-2017-16806 since 11/13/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The exploit is shared for download at exploit-db.com. It is declared as highly functional. The commercial vulnerability scanner Qualys is able to test this issue with plugin 87317 (Ulterius Server version directory traversal vulnerability.).

Upgrading to version 1.9.5.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (43141). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: ulterius_file_download.rb
MetaSploit Name: Ulterius Server File Download Vulnerability
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Ulterius 1.9.5.0
Patch: github.com

Timelineinfo

11/13/2017 🔍
11/13/2017 +0 days 🔍
11/13/2017 +0 days 🔍
11/14/2017 +1 days 🔍
11/15/2017 +1 days 🔍
01/10/2023 +1882 days 🔍

Sourcesinfo

Advisory: 770d1821de43cf1d0a93c79025995bdd812a76ee
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-16806 (🔍)
GCVE (CVE): GCVE-0-2017-16806
GCVE (VulDB): GCVE-100-109326
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/14/2017 14:20
Updated: 01/10/2023 10:05
Changes: 11/14/2017 14:20 (61), 12/06/2019 07:39 (8), 01/10/2023 10:05 (5)
Complete: 🔍
Cache ID: 216:C3A:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!