VAR-201810-0398
Vulnerability from variot - Updated: 2023-12-18 12:36Advantech WebAccess 8.3.1 and earlier has a .dll component that is susceptible to external control of file name or path vulnerability, which may allow an arbitrary file deletion when processing. Advantech WebAccess Contains an input validation vulnerability.Information may be tampered with. This vulnerability allows remote attackers to delete arbitrary files on vulnerable installations of Advantech WebAccess Node. Authentication is not required to exploit this vulnerability.The specific flaw exists within the implementation of the 0x2715 IOCTL in the webvrpcs process. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this functionality to delete files under the context of Administrator. Advantech WebAccess is a suite of browser-based HMI/SCADA software from Advantech. The software supports dynamic graphical display and real-time data control, and provides the ability to remotely control and manage automation equipment. .dll is one of the dynamic link library components. A security vulnerability exists in the .dll component of Advantech WebAccess 8.3.1 and earlier. Advantech WebAccess is prone to the following security vulnerabilities: 1. A stack-based buffer overflow vulnerability 2. A directory-traversal vulnerability 3. An arbitrary-file-deletion vulnerability 4. This may aid in further attacks. Advantech WebAccess 8.3.1 and prior versions are vulnerable
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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