Schneider Electric EcoStruxure Operator Terminal Expert up to 3.3 Hotfix 1 path traversal

Summaryinfo

A vulnerability marked as critical has been reported in Schneider Electric EcoStruxure Operator Terminal Expert and EcoStruxure Pro-face BLUE up to 3.3 Hotfix 1. Impacted is an unknown function. This manipulation causes path traversal. This vulnerability is registered as CVE-2022-41667. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability was found in Schneider Electric EcoStruxure Operator Terminal Expert and EcoStruxure Pro-face BLUE up to 3.3 Hotfix 1 (SCADA Software). It has been declared as critical. Affected by this vulnerability is an unknown code. 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. The summary by CVE is:

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists that allows adversaries with local user privileges to load a malicious DLL which could lead to execution of malicious code. Affected Products: EcoStruxure Operator Terminal Expert(V3.3 Hotfix 1 or prior), Pro-face BLUE(V3.3 Hotfix1 or prior).

The weakness was published 11/04/2022 as SEVD-2022-284-01. The advisory is shared at se.com. This vulnerability is known as CVE-2022-41667 since 09/27/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

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

Type

• SCADA Software

Vendor

• Schneider Electric

Name

• EcoStruxure Operator Terminal Expert
• EcoStruxure Pro-face BLUE

Version

• 3.3 Hotfix 1

License

• commercial

Website

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

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