CVE-2020-26995: Siemens JT2Go SGI File Parsing Use-After-Free Information Disclosure Vulnerability
A vulnerability has been identified in JT2Go (All versions < V13.1.0), Teamcenter Visualization (All versions < V13.1.0). Affected applications lack proper validation of user-supplied data when parsing of SGI and RGB files. This could result in an out of bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-11992)
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 SGI files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.
— ZDI
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 SGI and RGB 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 data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.
— ZDI
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 processing of PCX files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2020-26995?
CVE-2020-26995 is classified as a critical vulnerability due to the potential for an out of bounds write that could be exploited.
How do I fix CVE-2020-26995?
To mitigate CVE-2020-26995, update the affected applications, JT2Go and Teamcenter Visualization, to version 13.1.0 or later.
What applications are affected by CVE-2020-26995?
CVE-2020-26995 affects all versions of JT2Go and Teamcenter Visualization prior to version 13.1.0.
What type of vulnerability is CVE-2020-26995?
CVE-2020-26995 is an out of bounds write vulnerability caused by improper validation of user-supplied data.
Who is the vendor associated with CVE-2020-26995?
The vendor associated with CVE-2020-26995 is Siemens for their JT2Go and Teamcenter Visualization products.