ALC Liebert SiteScan Web Version/WebCTRL/Carrier i-Vu up to 6.5 XML Parser xml external entity reference

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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in ALC Liebert SiteScan Web Version, WebCTRL and Carrier i-Vu up to 6.5. The impacted element is an unknown function of the component XML Parser. Performing a manipulation results in xml external entity reference. This vulnerability is reported as CVE-2016-5795. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in ALC Liebert SiteScan Web Version, WebCTRL and Carrier i-Vu up to 6.5. This affects an unknown code of the component XML Parser. The manipulation with an unknown input leads to a xml external entity reference vulnerability. CWE is classifying the issue as CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An XXE issue was discovered in Automated Logic Corporation (ALC) Liebert SiteScan Web Version 6.5 and prior, ALC WebCTRL Version 6.5 and prior, and Carrier i-Vu Version 6.5 and prior. An attacker could enter malicious input to WebCTRL, i-Vu, or SiteScan Web through a weakly configured XML parser causing the application to execute arbitrary code or disclose file contents from a server or connected network.

The bug was discovered 08/31/2017. The weakness was disclosed 08/31/2017 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2016-5795 since 06/23/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100558†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• ALC

Name

• Carrier i-Vu
• Liebert SiteScan Web Version
• WebCTRL

Version

• 6.0
• 6.1
• 6.2
• 6.3
• 6.4
• 6.5

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

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

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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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: Xml external entity reference
CWE: CWE-611 / CWE-610
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/23/2016 🔍
08/31/2017 +434 days 🔍
08/31/2017 +0 days 🔍
08/31/2017 +0 days 🔍
08/31/2017 +0 days 🔍
09/01/2017 +1 days 🔍
01/10/2021 +1227 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Evgeny Ermakov
Status: Not defined

CVE: CVE-2016-5795 (🔍)
GCVE (CVE): GCVE-0-2016-5795
GCVE (VulDB): GCVE-100-106047
SecurityFocus: 100558 - Multiple Automated Logic Corporation CVE-2016-5795 XML External Entity Injection Vulnerability

Entryinfo

Created: 09/01/2017 09:03
Updated: 01/10/2021 14:20
Changes: 09/01/2017 09:03 (51), 11/12/2019 15:17 (9), 01/10/2021 14:20 (3)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

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