ZDI-CAN-9173: Advantech WISE-PaaS/RMM UpgradeMgmt upload_ota Directory Traversal Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WISE-PasS/RMM. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the UpgradeMgmt class. When parsing the frmUpdateSetting_UploadFileFullName parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Advantech WISE-PaaS/RMM |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-9173?
The vulnerability ZDI-CAN-9173 is considered critical as it allows remote code execution on affected installations.
How do I fix ZDI-CAN-9173?
To fix ZDI-CAN-9173, update Advantech WISE-Paas/RMM to the latest version provided by the vendor.
What exploitation method is used for ZDI-CAN-9173?
Exploitation of ZDI-CAN-9173 involves bypassing the authentication mechanism to execute arbitrary code.
Which systems are affected by ZDI-CAN-9173?
ZDI-CAN-9173 affects installations of Advantech WISE-PaaS/RMM software.
Is authentication required to exploit ZDI-CAN-9173?
Yes, authentication is required, but the current mechanism can be bypassed.
- agent/references
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- collector/zdi-advisory
- source/ZDI
- alias/ZDI-19-950
- alias/ZDI-CAN-9173
- alias/CVE-2019-13551
- agent/software-canonical-lookup
- agent/title
- agent/severity
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- agent/description
- agent/event
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- vendor/advantech
- canonical/advantech wise-paas/rmm