CVE-2019-10993: Advantech WebAccess Node viewsrv SQLPrepare Untrusted Pointer Dereference Remote Code Execution Vulnerability

Published Jun 28, 2019
·
Updated

In WebAccess/SCADA Versions 8.3.5 and prior, multiple untrusted pointer dereference vulnerabilities may allow a remote attacker to execute arbitrary code.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess Node. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the 0x2776 IOCTL in the webvrpcs process. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. 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 Node. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the 0x277B IOCTL in the webvrpcs process. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. 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 Node. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the 0x277D IOCTL in the webvrpcs process. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. 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 Node. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the 0x277F IOCTL in the webvrpcs process. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. 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 Node. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the 0x2780 IOCTL in the webvrpcs process. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code in the context of Administrator.

Affected Software

2 affected components
Advantech WebAccess
Advantech WebAccess<=8.3.5

Event History

Jun 28, 2019
CVE Published
via MITRE·08:52 PM
Data Sourced
via MITRE·08:52 PM
DescriptionWeakness
Feb 21, 2025
Advisory Published
via ZDI·08:35 AM
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Frequently Asked Questions

1

What is CVE-2019-10993?

CVE-2019-10993 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess Node.

2

Is authentication required to exploit CVE-2019-10993?

No, authentication is not required to exploit this vulnerability.

3

What is the severity of CVE-2019-10993?

The severity of CVE-2019-10993 is critical with a CVSS score of 9.8.

4

How does CVE-2019-10993 work?

CVE-2019-10993 is a result of an untrusted pointer dereference in the implementation of the 0x27DC IOCTL in the webvrpcs process of Advantech WebAccess Node.

5

How can I fix CVE-2019-10993?

It is recommended to update to a version of Advantech WebAccess Node that is not affected by this vulnerability.

Contact

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