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

Summaryinfo

A vulnerability was found in Siemens Parasolid and Simcenter Femap. It has been classified as critical. This affects an unknown function of the component X_T File Handler. This manipulation causes out-of-bounds write. This vulnerability is handled as CVE-2022-39150. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Siemens Parasolid and Simcenter Femap (unknown version) and classified as critical. Affected by this vulnerability is an unknown code block 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-17735)

The weakness was released 09/13/2022 as ZDI-CAN-17735. The advisory is shared at cert-portal.siemens.com. This vulnerability is known as CVE-2022-39150 since 09/01/2022. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/13/2022).

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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Entryinfo

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