TP-LINK Omada Controller Software 3.2.6 eap-web-3.2.6.jar path traversal

Summaryinfo

A vulnerability was found in TP-LINK Omada Controller Software 3.2.6. It has been declared as critical. Impacted is an unknown function of the file /opt/tplink/EAPController/lib/eap-web-3.2.6.jar. Executing a manipulation can lead to path traversal. This vulnerability is registered as CVE-2020-12475. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in TP-LINK Omada Controller Software 3.2.6. This vulnerability affects some unknown processing of the file /opt/tplink/EAPController/lib/eap-web-3.2.6.jar. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

TP-Link Omada Controller Software 3.2.6 allows Directory Traversal for reading arbitrary files via com.tp_link.eap.web.portal.PortalController.getAdvertiseFile in /opt/tplink/EAPController/lib/eap-web-3.2.6.jar.

The weakness was published 05/04/2020. This vulnerability was named CVE-2020-12475 since 04/29/2020. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• TP-LINK

Name

• Omada Controller Software

Version

• 3.2.6

License

• commercial

Website

• Vendor: https://www.tp-link.com/

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