Advantech WebAccess HMI Designer up to 2.1.9.31 Project File stack-based overflow

Summaryinfo

A vulnerability was found in Advantech WebAccess HMI Designer up to 2.1.9.31. It has been classified as critical. The impacted element is an unknown function. The manipulation as part of Project File leads to stack-based overflow. This vulnerability is listed as CVE-2020-16215. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Advantech WebAccess HMI Designer up to 2.1.9.31 (SCADA Software). It has been rated as critical. This issue affects an unknown code block. The manipulation as part of a Project File leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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 stack-based buffer overflow, which may allow remote code execution, disclosure/modification of information, or cause the application to crash.

The weakness was presented 08/06/2020 (Website). The advisory is shared at us-cert.cisa.gov. The identification of this vulnerability is CVE-2020-16215 since 07/31/2020. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

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

See VDB-159350, VDB-159351, VDB-159352 and VDB-159354 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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