Advisory Details

January 6th, 2022

Siemens JT2Go JT File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-22-006
ZDI-CAN-15058

CVE ID CVE-2021-44002
CVSS SCORE 7.8, (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
AFFECTED VENDORS Siemens
AFFECTED PRODUCTS JT2Go
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 JT files. Crafted data in a JT file can trigger a write past the end of an allocated buffer. 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-595101.pdf
https://www.cisa.gov/uscert/ics/advisories/icsa-21-350-10


DISCLOSURE TIMELINE
  • 2021-08-20 - Vulnerability reported to vendor
  • 2022-01-06 - Coordinated public release of advisory
  • 2022-01-09 - Advisory Updated
CREDIT Mat Powell of Trend Micro Zero Day Initiative
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