CVE-2021-46159: Siemens Simcenter Femap NEU File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
A vulnerability has been identified in Simcenter Femap V2020.2 (All versions), Simcenter Femap V2021.1 (All versions). Affected application contains an out of bounds write past the end of an allocated structure while parsing specially crafted NEU files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-15050)
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Siemens Simcenter Femap. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of NEU files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this Siemens Simcenter Femap vulnerability?
The vulnerability ID for this Siemens Simcenter Femap vulnerability is CVE-2021-46159.
What is the title of this vulnerability?
The title of this vulnerability is 'Siemens Simcenter Femap NEU File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability'.
How can remote attackers exploit this vulnerability?
Remote attackers can exploit this vulnerability by executing arbitrary code on affected installations of Siemens Simcenter Femap when the target visits a malicious page or opens a malicious file.
What is the severity rating of this vulnerability?
This vulnerability has a severity rating of 7.8, which is considered high.
What is the affected software?
The affected software is Siemens Simcenter Femap version 2020.2, 2020.2-maintenance_pack1, 2020.2-maintenance_pack2, 2020.2-maintenance_pack3, 2021.1, 2021.1-maintenance_pack1, 2021.1-maintenance_pack2, and 2021.1-maintenance_pack3.
How can I fix this vulnerability?
To fix this vulnerability, users should apply the necessary patches or updates provided by Siemens.
Where can I find more information about this vulnerability?
More information about this vulnerability can be found in the following references: 1. [Siemens ProductCERT Advisory](https://cert-portal.siemens.com/productcert/pdf/ssa-609880.pdf) 2. [ZDI Advisory](https://www.zerodayinitiative.com/advisories/ZDI-22-314/)