VDB-131350 · CVE-2019-6528 · BID 107201

PSI GridConnect GmbH Telecontrol Gateway Web Application Browser input validation

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.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in PSI GridConnect GmbH Telecontrol Gateway, Smart Telecontrol Unit, IEC104 Security Proxy, Telecontrol Gateway 3G, Telecontrol Gateway XS-MU, Telecontrol Gateway VM and Smart Telecontrol Unit TCG. Affected is an unknown function of the component Web Application Browser. Executing a manipulation can lead to input validation. This vulnerability is registered as CVE-2019-6528. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in PSI GridConnect GmbH Telecontrol Gateway, Smart Telecontrol Unit, IEC104 Security Proxy, Telecontrol Gateway 3G, Telecontrol Gateway XS-MU, Telecontrol Gateway VM and Smart Telecontrol Unit TCG (Firewall Software) and classified as critical. This vulnerability affects some unknown functionality of the component Web Application Browser. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

PSI GridConnect GmbH Telecontrol Gateway and Smart Telecontrol Unit family, IEC104 Security Proxy versions Telecontrol Gateway 3G Versions 4.2.21, 5.0.27, 5.1.19, 6.0.16 and prior, and Telecontrol Gateway XS-MU Versions 4.2.21, 5.0.27, 5.1.19, 6.0.16 and prior, and Telecontrol Gateway VM Versions 4.2.21, 5.0.27, 5.1.19, 6.0.16 and prior, and Smart Telecontrol Unit TCG Versions 5.0.27, 5.1.19, 6.0.16 and prior, and IEC104 Security Proxy Version 2.2.10 and prior The web application browser interprets input as active HTML, JavaScript, or VBScript, which could allow an attacker to execute arbitrary code.

The bug was discovered 02/28/2019. The weakness was published 03/05/2019 (Website). The advisory is available at securityfocus.com. This vulnerability was named CVE-2019-6528 since 01/22/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.

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Productinfo

Type

Firewall Software

Vendor

PSI GridConnect GmbH

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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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: Input validation
CWE: CWE-20
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
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/22/2019 🔍
02/28/2019 +37 days 🔍
03/05/2019 +5 days 🔍
03/06/2019 +1 days 🔍
07/26/2023 +1603 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2019-6528 (🔍)
GCVE (CVE): GCVE-0-2019-6528
GCVE (VulDB): GCVE-100-131350
SecurityFocus: 107201

Entryinfo

Created: 03/06/2019 08:34
Updated: 07/26/2023 15:32
Changes: 03/06/2019 08:34 (41), 05/14/2020 07:05 (2), 07/26/2023 15:26 (2), 07/26/2023 15:32 (18)
Complete: 🔍
Cache ID: 216::103