Advantech WebAccess HMI Designer up to 2.1.9.31 Project File type confusion

Summaryinfo

A vulnerability described as critical has been identified in Advantech WebAccess HMI Designer up to 2.1.9.31. This vulnerability affects unknown code. The manipulation as part of Project File results in type confusion. This vulnerability is known as CVE-2020-16229. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability was found in Advantech WebAccess HMI Designer up to 2.1.9.31 (SCADA Software). It has been classified as critical. Affected is an unknown code block. The manipulation as part of a Project File leads to a type confusion vulnerability. CWE is classifying the issue as CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. This is going to have an impact on 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 a type confusion condition, which may allow remote code execution, disclosure/modification of information, or cause the application to crash.

The weakness was published 08/06/2020 (Website). The advisory is shared for download at us-cert.cisa.gov. This vulnerability is traded as CVE-2020-16229 since 07/31/2020. 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.

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

Similar entries are available at VDB-159350, VDB-159351, VDB-159352 and VDB-159353. 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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Entryinfo

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

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