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zdiMat Powell of Trend Micro Zero Day InitiativeZDI-21-857
HistoryJul 19, 2021 - 12:00 a.m.

Siemens JT2Go ASM File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

2021-07-1900:00:00
Mat Powell of Trend Micro Zero Day Initiative
www.zerodayinitiative.com
36
siemens
jt2go
asm
parsing
vulnerability
remote code execution
user interaction
malicious page
malicious file
validation
user-supplied data
allocated buffer
current process

EPSS

0

Percentile

15.9%

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 user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

EPSS

0

Percentile

15.9%