CVE-2021-34302: Siemens JT2Go BMP File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
A vulnerability has been identified in JT2Go (All versions < V13.2), Teamcenter Visualization (All versions < V13.2). The BMPLoader.dll library in affected applications lacks proper validation of user-supplied data when parsing BMP files. This could result in an out of bounds read past the end of an allocated buffer. An attacker could leverage this vulnerability to leak information in the context of the current process. (ZDI-CAN-13197)
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 BMP 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
Event History
Frequently Asked Questions
What is the severity of CVE-2021-34302?
CVE-2021-34302 has a severity rating categorized as medium due to its potential for out of bounds read vulnerabilities in BMP files.
How do I fix CVE-2021-34302?
To address CVE-2021-34302, upgrade to Siemens JT2Go and Teamcenter Visualization version 13.2 or later.
What applications are affected by CVE-2021-34302?
CVE-2021-34302 affects all versions of Siemens JT2Go and Teamcenter Visualization that are earlier than version 13.2.
What is the nature of the vulnerability in CVE-2021-34302?
The nature of CVE-2021-34302 involves insufficient validation of user-supplied data when parsing BMP files.
Are there any workarounds for CVE-2021-34302?
There are no known practical workarounds for CVE-2021-34302, so upgrading to the secure version is recommended.