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

CVSS Meta Temp Score
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6.6$0-$5k0.00

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). Entries connected to this vulnerability are available at VDB-51072, VDB-66884, VDB-98385 and VDB-99353.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

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VulDB Base Score: 🔍
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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: 🔍

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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 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 11/14/2017 02:20 PM
Updated: 01/10/2023 10:05 AM
Changes: 11/14/2017 02:20 PM (61), 12/06/2019 07:39 AM (8), 01/10/2023 10:05 AM (5)
Complete: 🔍
Cache ID: 98:711:40

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