var-201601-0036
Vulnerability from variot
Unrestricted file upload vulnerability in the uploadImageCommon function in the UploadAjaxAction script in the WebAccess Dashboard Viewer in Advantech WebAccess before 8.1 allows remote attackers to write to files of arbitrary types via unspecified vectors. Advantech WebAccess Contains a vulnerability where an unlimited number of files can be uploaded and written to any type of file. http://cwe.mitre.org/data/definitions/434.htmlIt may be written to any type of file by a third party. Authentication is not required to exploit this vulnerability. The specific flaw exists within the WebAccess Dashboard Viewer. Insufficient validation within the FileUpload script allows unauthenticated callers to upload arbitrary code to directories in the server where the code can be automatically executed under the high-privilege context of the IIS AppPool. An attacker can leverage this vulnerability to execute arbitrary code under the context of SYSTEM. Advantech WebAccess HMI/SCADA software provides remote control and management. Advantech WebAccess is prone to following security vulnerabilities: 1. A denial-of-service vulnerability 2. An arbitrary file-upload vulnerability 3. A directory-traversal vulnerability 4. Multiple stack-based buffer-overflow vulnerabilities 5. A heap-based buffer overflow vulnerability 6. Multiple buffer-overflow vulnerabilities 7. Multiple information disclosure vulnerabilities 8. A cross-site scripting vulnerability 9. An SQL-injection vulnerability 10. A remote-code execution vulnerability An attacker can exploit these issues to execute arbitrary code in the context of the application, cause a denial-of-service condition, upload arbitrary files, compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database, to use directory-traversal sequences ('../') to retrieve arbitrary files, obtain sensitive information and perform certain unauthorized actions. This may aid in further attacks. Advantech WebAccess 8.0 and prior versions are vulnerable. Advantech WebAccess is a browser-based HMI/SCADA software developed by Advantech
Show details on source website{
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{
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{
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{
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"db": "BID",
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{
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{
"date": "2016-01-18T00:00:00",
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{
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},
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],
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},
"title": {
"_id": null,
"data": "Advantech WebAccess File upload vulnerability",
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{
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{
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],
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}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.