ZDI-19-605: Advantech WebAccess Node viewsrv SQLConnect Untrusted Pointer Dereference Remote Code Execution Vulnerability
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 0x27DC 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 | Affected Version | How to fix |
|---|---|---|
| Advantech WebOP |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-19-605?
The severity of ZDI-19-605 is high due to its potential for remote code execution without authentication.
How do I fix ZDI-19-605?
To fix ZDI-19-605, apply the latest security patches provided by Advantech for the WebAccess software.
What types of attacks can exploit ZDI-19-605?
ZDI-19-605 can be exploited by remote attackers to execute arbitrary code on vulnerable installations.
Is authentication required for exploiting ZDI-19-605?
No, authentication is not required to exploit ZDI-19-605, making it particularly dangerous.
Which software is affected by ZDI-19-605?
ZDI-19-605 affects Advantech WebAccess Node installations.
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- collector/zdi-advisory
- source/ZDI
- alias/ZDI-19-605
- alias/ZDI-CAN-8138
- alias/CVE-2019-10993
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/advantech
- canonical/advantech webop