CVE-2021-32940: Siemens JT2Go DWG File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
An out-of-bounds read issue exists in the DWG file-recovering procedure in the Drawings SDK (All versions prior to 2022.5) resulting from the lack of proper validation of user-supplied data. This can result in a read past the end of an allocated buffer and allow attackers to cause a denial-of-service condition or read sensitive information from memory locations.
Other sources
This vulnerability allows remote attackers to disclose sensitive information 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 DWG files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.
Affected Software
Remediation
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-32940.
What is the title of the vulnerability?
The title of the vulnerability is Siemens JT2Go DWG File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability.
Is user interaction required to exploit this vulnerability?
Yes, user interaction is required to exploit this vulnerability. The target must visit a malicious page or open a malicious file.
Which software is affected by this vulnerability?
Siemens JT2Go, Opendesign Drawings Sdk, Siemens COMOS, and Siemens Teamcenter Visualization are affected by this vulnerability.
What is the severity of CVE-2021-32940?
The severity of CVE-2021-32940 is high with a CVSS score of 7.1.
How can I fix CVE-2021-32940?
To fix CVE-2021-32940, update to the latest version of the affected software.