ZDI-19-950: 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-19-950?
The severity of ZDI-19-950 is rated high due to the potential for remote code execution.
How do I fix ZDI-19-950?
To fix ZDI-19-950, ensure that the affected version of Advantech WISE-PaaS/RMM is updated to the latest patched version.
What type of vulnerability is ZDI-19-950?
ZDI-19-950 is a remote code execution vulnerability that allows attackers to execute arbitrary code.
Who is affected by ZDI-19-950?
Organizations using affected installations of Advantech WISE-PaaS/RMM are susceptible to ZDI-19-950.
Can the authentication mechanism in ZDI-19-950 be bypassed?
Yes, the authentication mechanism in ZDI-19-950 can be bypassed, making it easier for attackers to exploit the vulnerability.
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- agent/softwarecombine
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- 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