Conarc iChannel wc.dll Request access control

HistoryDiffrelatejsonxmlCTI

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.
8.1	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Conarc iChannel. This affects an unknown function in the library wc.dll. Performing a manipulation as part of Request results in access control. This vulnerability is identified as CVE-2017-17759. The attack can be initiated remotely. Additionally, an exploit exists. It is suggested to use restrictive firewalling.

Detailsinfo

A vulnerability, which was classified as critical, was found in Conarc iChannel (affected version unknown). This affects an unknown functionality in the library wc.dll. The manipulation as part of a Request leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Conarc iChannel allows remote attackers to obtain sensitive information, modify the configuration, or cause a denial of service (by deleting the configuration) via a wc.dll?wwMaint~EditConfig request (which reaches an older version of a West Wind Web Connection HTTP service).

The bug was discovered 12/19/2017. The weakness was released 12/19/2017 (Website). It is possible to read the advisory at information-paradox.net. This vulnerability is uniquely identified as CVE-2017-17759 since 12/19/2017. 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. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

It is possible to mitigate the weakness by firewalling .

The vulnerability is also documented in the vulnerability database at Exploit-DB (43377). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Conarc

Name

iChannel

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/19/2017 🔍
12/19/2017 +0 days 🔍
12/19/2017 +0 days 🔍
12/19/2017 +0 days 🔍
12/20/2017 +1 days 🔍
07/06/2025 +2755 days 🔍

Sourcesinfo

Advisory: information-paradox.net
Status: Not defined

CVE: CVE-2017-17759 (🔍)
GCVE (CVE): GCVE-0-2017-17759
GCVE (VulDB): GCVE-100-110811
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/20/2017 07:56
Updated: 07/06/2025 10:16
Changes: 12/20/2017 07:56 (58), 12/16/2019 08:15 (4), 07/06/2025 10:16 (19)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.