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

Summaryinfo

A vulnerability has been found in Siemens Parasolid and Simcenter Femap and classified as critical. The affected element is an unknown function of the component X_T File Handler. The manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2022-39148. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Siemens Parasolid and Simcenter Femap (the affected version unknown). This issue affects an unknown part of the component X_T File Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is 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-17513)

The weakness was shared 09/13/2022 as ZDI-CAN-17513. It is possible to read the advisory at cert-portal.siemens.com. The identification of this vulnerability is CVE-2022-39148 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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