CVE-2021-34307: Siemens JT2Go TIF 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 TiffLoader.dll library in affected applications lacks proper validation of user-supplied data when parsing TIFF 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-13343)
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 TIF 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-2021-34307?
CVE-2021-34307 has a medium severity rating due to potential out of bounds read vulnerabilities.
How do I fix CVE-2021-34307?
To remediate CVE-2021-34307, upgrade to Siemens JT2Go or Teamcenter Visualization version 13.2 or later.
Which versions are affected by CVE-2021-34307?
CVE-2021-34307 affects all versions of JT2Go and Teamcenter Visualization prior to version 13.2.
What kind of vulnerability is CVE-2021-34307?
CVE-2021-34307 is a vulnerability in the Tiff_Loader.dll library that lacks proper validation of user-supplied data.
Who is the vendor associated with CVE-2021-34307?
The vendor associated with CVE-2021-34307 is Siemens, which produces JT2Go and Teamcenter Visualization.