Siemens JT2Go ASM File Parsing Untrusted Pointer Dereference Remote Code Execution Vulnerability
January 15th, 2021
Vulnerability Details
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 ASM 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.
Additional Details
https://cert-portal.siemens.com/productcert/pdf/ssa-695540.pdf
https://us-cert.cisa.gov/ics/advisories/icsa-21-147-04
Disclosure Timeline
- 2020-09-30 - Vulnerability reported to vendor
- 2021-01-15 - Coordinated public release of advisory
- 2021-06-08 - Advisory Updated
Credit
rgod
