Siemens COMOS Engineering Interface xml external entity reference

Summaryinfo

A vulnerability marked as problematic has been reported in Siemens COMOS. This vulnerability affects unknown code of the component Engineering Interface. The manipulation leads to xml external entity reference. This vulnerability is listed as CVE-2024-54005. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Siemens COMOS (the affected version is unknown). This issue affects an unknown code of the component Engineering Interface. The manipulation with an unknown input leads to a xml external entity reference vulnerability. Using CWE to declare the problem leads to CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in COMOS V10.3 (All versions < V10.3.3.5.8), COMOS V10.4.0 (All versions), COMOS V10.4.1 (All versions), COMOS V10.4.2 (All versions), COMOS V10.4.3 (All versions < V10.4.3.0.47), COMOS V10.4.4 (All versions < V10.4.4.2), COMOS V10.4.4.1 (All versions < V10.4.4.1.21). The PDMS/E3D Engineering Interface improperly handles XML External Entity (XXE) entries when communicating with an external application. This could allow an attacker to extract any file with a known location on the user's system or accessible network folders by injecting malicious data into the communication channel between the two systems.

It is possible to read the advisory at cert-portal.siemens.com. The identification of this vulnerability is CVE-2024-54005 since 11/26/2024. The exploitation is known to be difficult. 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 pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/10/2024).

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Siemens

Name

• COMOS

License

• commercial

Website

• Vendor: https://www.siemens.com/

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