NComputing vSpace Pro 10/11 on Windows NC Monitor Server NcMonitorServer.exe path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

A vulnerability classified as critical has been found in NComputing vSpace Pro 10/11 on Windows. This affects an unknown functionality of the file NcMonitorServer.exe of the component NC Monitor 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. The summary by CVE is:

An issue was discovered in NcMonitorServer.exe in NC Monitor Server in NComputing vSpace Pro 10 and 11. It is possible to read arbitrary files outside the root directory of the web server. This vulnerability could be exploited remotely by a crafted URL without credentials, with .../ or ...\ or ..../ or ....\ as a directory-traversal pattern to TCP port 8667.

The bug was discovered 04/20/2018. The weakness was released 04/20/2018 by Javier Bernardo (Javo) with Kwell (Website). The advisory is shared at kwell.net. This vulnerability is uniquely identified as CVE-2018-10201 since 04/18/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

A public exploit has been developed by Javier Bernardo (Javo). The exploit is shared for download at exploit-db.com. It is declared as highly functional.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at support.ncomputing.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at support.ncomputing.com. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (44497).

Productinfo

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Version

CPE 2.3info

CPE 2.2info

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CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Author: Javier Bernardo (Javo)
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: support.ncomputing.com
Patch: support.ncomputing.com

Timelineinfo

04/11/2018 🔍
04/18/2018 +7 days 🔍
04/20/2018 +1 days 🔍
04/20/2018 +0 days 🔍
04/20/2018 +0 days 🔍
04/21/2018 +1 days 🔍
02/05/2020 +655 days 🔍

Sourcesinfo

Advisory: kwell.net
Researcher: Javier Bernardo (Javo)
Organization: Kwell
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-10201 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/21/2018 18:34
Updated: 02/05/2020 15:47
Changes: 04/21/2018 18:34 (52), 05/01/2018 12:02 (2), 05/01/2018 12:03 (1), 05/16/2018 00:28 (6), 05/16/2018 00:29 (4), 05/16/2018 00:33 (1), 05/16/2018 00:34 (3), 05/16/2018 00:35 (3), 05/16/2018 00:36 (1), 05/16/2018 00:41 (1), 02/05/2020 15:47 (1)
Complete: 🔍
Committer: javobernardo

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