CVE-2021-32950: Siemens JT2Go DXF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
An out-of-bounds read issue exists within the parsing of DXF files in the Drawings SDK (All versions prior to 2022.4) 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 allows 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 DXF 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 CVE-2021-32950?
CVE-2021-32950 is a vulnerability in Siemens JT2Go that allows remote attackers to disclose sensitive information.
How does CVE-2021-32950 work?
CVE-2021-32950 works by exploiting a flaw in the parsing of DXF files, which can lead to an out-of-bounds read vulnerability.
What is the severity of CVE-2021-32950?
The severity of CVE-2021-32950 is high, with a CVSS score of 7.1.
Which software is affected by CVE-2021-32950?
Siemens JT2Go, Opendesign Drawings SDK, Siemens COMOS, and Siemens Teamcenter Visualization are affected by CVE-2021-32950.
How can CVE-2021-32950 be mitigated?
To mitigate CVE-2021-32950, users should update to the latest version of the affected software and exercise caution when opening files or visiting websites.