IIoT Monitor 3.1.38 path traversal

Summaryinfo

A vulnerability was found in IIoT Monitor 3.1.38. It has been rated as critical. The affected element is an unknown function. The manipulation leads to path traversal. This vulnerability is uniquely identified as CVE-2018-7835. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in IIoT Monitor 3.1.38. This issue affects an unknown function. The manipulation with an unknown input 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:

An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in IIoT Monitor 3.1.38 which could allow access to files available to SYSTEM user.

The bug was discovered 12/20/2018. The weakness was disclosed 12/24/2018 by rgod with Zero Day Initiative (Website). It is possible to read the advisory at schneider-electric.com. The identification of this vulnerability is CVE-2018-7835 since 03/08/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k.

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

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106484†). The entries VDB-128388, VDB-128389 and VDB-130595 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• IIoT

Name

• Monitor

Version

• 3.1.38

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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