CVE-2021-25175: Siemens JT2Go DXF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A Type Conversion issue exists when rendering malformed .DXF and .DWG files. This can allow attackers to cause a crash, potentially enabling a denial of service attack (Crash, Exit, or Restart).
Other sources
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 a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code in the context of the current process.
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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the vulnerability ID of this Siemens JT2Go vulnerability?
The vulnerability ID is CVE-2021-25175.
What is the severity of CVE-2021-25175?
The severity of CVE-2021-25175 is high with a CVSS score of 7.8.
How can this vulnerability be exploited?
This vulnerability can be exploited by remote attackers through user interaction, such as visiting a malicious page or opening a malicious file.
Which software installations are affected by CVE-2021-25175?
Siemens JT2Go, Opendesign Drawings Software Development Kit, Siemens COMOS, and Siemens Teamcenter Visualization are affected by this vulnerability.
Is there a fix available for this vulnerability?
To fix this vulnerability, it is recommended to apply the latest updates and patches provided by Siemens or follow the mitigation steps outlined in the advisory.