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

Summaryinfo

A vulnerability has been found in Schneider Electric EcoStruxure Operator Terminal Expert up to 3.1 SP1 and classified as critical. This impacts an unknown function. The manipulation as part of Project File leads to path traversal. This vulnerability is listed as CVE-2020-7494. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Schneider Electric EcoStruxure Operator Terminal Expert up to 3.1 SP1 (SCADA Software) and classified as critical. This issue affects an unknown part. The manipulation as part of a Project File leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in EcoStruxure Operator Terminal Expert 3.1 Service Pack 1 and prior (formerly known as Vijeo XD) which could cause malicious code execution when opening the project file.

The weakness was presented 06/16/2020 (Website). It is possible to read the advisory at se.com. The identification of this vulnerability is CVE-2020-7494 since 01/21/2020. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

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

See VDB-156804, VDB-156805, VDB-156806 and VDB-156802 for similar entries. Statistical analysis made it clear that VulDB provides the best quality 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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