WECON LEVI Studio HMI Editor up to 1.8.29 memory corruption

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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in WECON LEVI Studio HMI Editor up to 1.8.29. Affected by this vulnerability is an unknown functionality. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2017-16737. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in WECON LEVI Studio HMI Editor up to 1.8.29 (SCADA Software). It has been classified as critical. Affected is an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in WECON Technology LEVI Studio HMI Editor v1.8.29 and prior. A specially-crafted malicious file may be able to cause a heap-based buffer overflow vulnerability when opened by a user.

The bug was discovered 01/11/2018. The weakness was shared 01/12/2018 with Zero Day Initiative (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2017-16737 since 11/09/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

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 102493†). The entry VDB-111805 is related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• SCADA Software

Vendor

• WECON

Name

• LEVI Studio HMI Editor

Version

• 1.8.0
• 1.8.1
• 1.8.2
• 1.8.3
• 1.8.4
• 1.8.5
• 1.8.6
• 1.8.7
• 1.8.8
• 1.8.9
• 1.8.10
• 1.8.11
• 1.8.12
• 1.8.13
• 1.8.14
• 1.8.15
• 1.8.16
• 1.8.17
• 1.8.18
• 1.8.19
• 1.8.20
• 1.8.21
• 1.8.22
• 1.8.23
• 1.8.24
• 1.8.25
• 1.8.26
• 1.8.27
• 1.8.28
• 1.8.29

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 7.0

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/09/2017 🔍
01/11/2018 +63 days 🔍
01/11/2018 +0 days 🔍
01/12/2018 +1 days 🔍
01/12/2018 +0 days 🔍
01/13/2018 +1 days 🔍
01/30/2021 +1113 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Sergey Zelenyuk
Organization: Zero Day Initiative
Status: Not defined

CVE: CVE-2017-16737 (🔍)
GCVE (CVE): GCVE-0-2017-16737
GCVE (VulDB): GCVE-100-111804
SecurityFocus: 102493 - Wecon LEVI Studio HMI Editor CVE-2017-13999 Multiple Buffer Overflow Vulnerabilities

See also: 🔍

Entryinfo

Created: 01/13/2018 11:49
Updated: 01/30/2021 06:59
Changes: 01/13/2018 11:49 (59), 12/22/2019 17:19 (4), 01/30/2021 06:59 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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