Schneider Electric EcoStruxure Operator Terminal Expert up to 3.1 SP1 Project File path traversal

Summaryinfo

A vulnerability was found in Schneider Electric EcoStruxure Operator Terminal Expert up to 3.1 SP1 and classified as critical. Affected is an unknown function. The manipulation as part of Project File results in path traversal. This vulnerability is cataloged as CVE-2020-7495. The attack must be initiated from a local position. There is no exploit available.

Detailsinfo

A vulnerability was found in Schneider Electric EcoStruxure Operator Terminal Expert up to 3.1 SP1 (SCADA Software). It has been classified as critical. Affected is an unknown code. The manipulation as part of a Project File leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability during zip file extraction exists in EcoStruxure Operator Terminal Expert 3.1 Service Pack 1 and prior (formerly known as Vijeo XD) which could cause unauthorized write access outside of expected path folder when opening the project file.

The weakness was shared 06/16/2020 (Website). The advisory is shared for download at se.com. This vulnerability is traded as CVE-2020-7495 since 01/21/2020. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly 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.

The entries VDB-156803, VDB-156805, VDB-156806 and VDB-156802 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• SCADA Software

Vendor

• Schneider Electric

Name

• EcoStruxure Operator Terminal Expert

Version

• 3.1 SP1

License

• commercial

Website

• Vendor: https://www.schneider-electric.com/

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