CVE-2021-32936: Siemens JT2Go DXF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
First published: Thu Jun 17 2021(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Siemens JT2Go. 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 DXF 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 buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Credit: ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Siemens JT2Go | ||
| Opendesign Drawings Sdk | <2022.4 | |
| Siemens COMOS | <10.4.1 | |
| Siemens JT2Go | <13.2.0.1 | |
| Siemens Teamcenter Visualization | <13.2.0.1 |
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Reference Links
- https://us-cert.cisa.gov/ics/advisories/icsa-21-222-01
- https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf
- https://www.zerodayinitiative.com/advisories/ZDI-21-982/
- https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-491245.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02
Frequently Asked Questions
What is the vulnerability ID for this Siemens JT2Go vulnerability?
The vulnerability ID for this Siemens JT2Go vulnerability is CVE-2021-32936.
What is the severity of CVE-2021-32936?
The severity of CVE-2021-32936 is high with a CVSS score of 7.8.
How can the Siemens JT2Go vulnerability be exploited?
The Siemens JT2Go vulnerability can be exploited by remote attackers who can execute arbitrary code on affected installations when a target visits a malicious page or opens a malicious file.
What software versions are affected by CVE-2021-32936?
Siemens JT2Go versions up to exclusive 13.2.0.1 are affected by CVE-2021-32936.
Are there any references or additional information available regarding this vulnerability?
Yes, please refer to the following links for more information: - [CVE-2021-32936 Description](https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf) - [CVE-2021-32936 Patch Instructions](https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf) - [CVE-2021-32936 Vulnerability Analysis](https://cert-portal.siemens.com/productcert/pdf/ssa-491245.pdf)
- collector/zdi-advisory
- alias/ZDI-21-982
- alias/ZDI-CAN-13408
- alias/CVE-2021-32936
- collector/nvd-index
- vendor/siemens
- canonical/siemens jt2go
- vendor/opendesign
- canonical/opendesign drawings sdk
- canonical/siemens comos
- canonical/siemens teamcenter visualization