Siemens Parasolid/Simcenter Femap X_T File out-of-bounds write

Summaryinfo

A vulnerability classified as critical has been found in Siemens Parasolid and Simcenter Femap. This affects an unknown part of the component X_T File Handler. This manipulation causes out-of-bounds write. This vulnerability is registered as CVE-2022-39144. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Siemens Parasolid and Simcenter Femap (version now known). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component X_T File Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in Parasolid V33.1 (All versions < V33.1.262), Parasolid V33.1 (All versions >= V33.1.262 < V33.1.263), Parasolid V34.0 (All versions < V34.0.252), Parasolid V34.1 (All versions < V34.1.242), Parasolid V35.0 (All versions < V35.0.161), Parasolid V35.0 (All versions >= V35.0.161 < V35.0.164), Simcenter Femap V2022.1 (All versions < V2022.1.3), Simcenter Femap V2022.2 (All versions < V2022.2.2). The affected application contains an out of bounds write past the end of an allocated buffer while parsing specially crafted X_T files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-17494)

The weakness was published 09/13/2022 as ZDI-CAN-17494. It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is known as CVE-2022-39144 since 09/01/2022. 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 pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/15/2022).

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Siemens

Name

• Parasolid
• Simcenter Femap

License

• commercial

Website

• Vendor: https://www.siemens.com/

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