CVE-2020-12002: Advantech WebAccess/SCADA DATACORE IOCTL 0x00005241 Stack-based Buffer Overflow Remote Code Execution Vulnerability

Published May 8, 2020
·
Updated

Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple stack-based buffer overflow vulnerabilities exist caused by a lack of proper validation of the length of user-supplied data, which may allow remote code execution.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess/SCADA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the BwBacNetJ device driver. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of Administrator.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess/SCADA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the BwBacNetJ driver. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of Administrator.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess/SCADA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the GpsET200 device driver. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of Administrator.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess/SCADA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of IOCTL 0x00005227 in DATACORE.exe. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of Administrator.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess/SCADA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of IOCTL 0x00005241 in DATACORE.exe. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of Administrator.

Affected Software

3 affected components
Advantech WebAccess/SCADA
Advantech WebAccess<=8.4.4
Advantech WebAccess=9.0.0

Event History

May 8, 2020
CVE Published
via MITRE·11:50 AM
Data Sourced
via MITRE·11:50 AM
DescriptionWeakness
Aug 4, 2024
Advisory Published
via ZDI·11:55 AM
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Frequently Asked Questions

1

What is CVE-2020-12002?

CVE-2020-12002 is a vulnerability in Advantech WebAccess/SCADA that allows remote attackers to execute arbitrary code on affected installations.

2

How severe is CVE-2020-12002?

CVE-2020-12002 has a severity score of 9.8 (Critical).

3

What is the affected software for CVE-2020-12002?

The affected software for CVE-2020-12002 includes Advantech WebAccess/SCADA versions up to 8.4.4 and version 9.0.0.

4

Is authentication required to exploit CVE-2020-12002?

No, authentication is not required to exploit CVE-2020-12002.

5

How can I fix CVE-2020-12002?

To fix CVE-2020-12002, it is recommended to apply the necessary security patches or updates provided by Advantech.

Contact

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