What is the severity of CVE-2019-10989?

The severity of CVE-2019-10989 is critical with a CVSS score of 9.8.

How does CVE-2019-10989 affect Advantech WebAccess Node?

CVE-2019-10989 allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess Node without requiring authentication.

What is the specific flaw in CVE-2019-10989?

The specific flaw in CVE-2019-10989 exists within the implementation of the 0x113d1 IOCTL in the webvrpcs process, resulting in a heap-based buffer overflow.

Which versions of Advantech WebAccess are affected by CVE-2019-10989?

Versions of Advantech WebAccess up to and including 8.3.5 are affected by CVE-2019-10989.

How can CVE-2019-10989 be fixed?

To fix CVE-2019-10989, users should update to a version of Advantech WebAccess that is not vulnerable or apply the necessary security patches.

Vulnerability/
CVE-2019-10989

critical

9.8

CWE

787 119

28/6/2019

4/8/2024

CVE-2019-10989: Advantech WebAccess Node BwPAlarm CreateMonitoredItemEx Heap-based Buffer Overflow Remote Code Execution Vulnerability

First published: Fri Jun 28 2019(Updated: )

In WebAccess/SCADA Versions 8.3.5 and prior, multiple heap-based buffer overflow vulnerabilities are caused by a lack of proper validation of the length of user-supplied data. Exploitation of these vulnerabilities may allow remote code execution. Note: A different vulnerability than CVE-2019-10991.

Credit: ics-cert@hq.dhs.gov

Affected Software	Affected Version	How to fix
Advantech WebAccess	<=8.3.5
Advantech WebAccess

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2019-10989?
The severity of CVE-2019-10989 is critical with a CVSS score of 9.8.
How does CVE-2019-10989 affect Advantech WebAccess Node?
CVE-2019-10989 allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess Node without requiring authentication.
What is the specific flaw in CVE-2019-10989?
The specific flaw in CVE-2019-10989 exists within the implementation of the 0x113d1 IOCTL in the webvrpcs process, resulting in a heap-based buffer overflow.
Which versions of Advantech WebAccess are affected by CVE-2019-10989?
Versions of Advantech WebAccess up to and including 8.3.5 are affected by CVE-2019-10989.
How can CVE-2019-10989 be fixed?
To fix CVE-2019-10989, users should update to a version of Advantech WebAccess that is not vulnerable or apply the necessary security patches.

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