Advantech WebAccess HMI Designer up to 2.1.9.31 Project File out-of-bounds write

Summaryinfo

A vulnerability was found in Advantech WebAccess HMI Designer up to 2.1.9.31 and classified as critical. The affected element is an unknown function. Executing a manipulation as part of Project File can lead to out-of-bounds write. This vulnerability is tracked as CVE-2020-16213. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability was found in Advantech WebAccess HMI Designer up to 2.1.9.31 (SCADA Software). It has been declared as critical. This vulnerability affects an unknown code. The manipulation as part of a Project File leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Processing specially crafted project files lacking proper validation of user supplied data may cause the system to write outside the intended buffer area, which may allow remote code execution, disclosure/modification of information, or cause the application to crash.

The weakness was disclosed 08/06/2020 (Website). The advisory is shared for download at us-cert.cisa.gov. This vulnerability was named CVE-2020-16213 since 07/31/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

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

The entries VDB-159350, VDB-159351, VDB-159353 and VDB-159354 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• SCADA Software

Vendor

• Advantech

Name

• WebAccess HMI Designer

Version

• 2.1.9.0
• 2.1.9.1
• 2.1.9.2
• 2.1.9.3
• 2.1.9.4
• 2.1.9.5
• 2.1.9.6
• 2.1.9.7
• 2.1.9.8
• 2.1.9.9
• 2.1.9.10
• 2.1.9.11
• 2.1.9.12
• 2.1.9.13
• 2.1.9.14
• 2.1.9.15
• 2.1.9.16
• 2.1.9.17
• 2.1.9.18
• 2.1.9.19
• 2.1.9.20
• 2.1.9.21
• 2.1.9.22
• 2.1.9.23
• 2.1.9.24
• 2.1.9.25
• 2.1.9.26
• 2.1.9.27
• 2.1.9.28
• 2.1.9.29
• 2.1.9.30
• 2.1.9.31

License

• commercial

Website

• Vendor: https://www.advantech.com/

CPE 2.3info

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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