Rewterz

Rewterz Threat Advisory – ICS: Siemens SINEC NMS and SIMATIC

October 22, 2021
Rewterz

Rewterz Threat Advisory – Multiple Microsoft .NET Core, Visual Studio, Dynamics 365

October 25, 2021

Rewterz Threat Advisory – CVE-2021-42740 – Node.js shell-quote module

Severity

High

Analysis Summary

CVE-2021-42740 

Node.js shell-quote module could allow a remote attacker to execute arbitrary commands on the system, caused by a flaw with windows drive letter regex. By sending a specially-crafted shell metacharacter, an attacker could exploit this vulnerability to execute arbitrary commands on the system.

Impact

  • Command Execution

Affected Vendors

Node.js

Affected Products

  • Node.js shell-quote 1.7.2

Remediation

Upgrade to the latest version of shell-quote, available from the shell-quote GIT Repository.

https://github.com/substack/node-shell-quote/commit/5799416ed454aa4ec9afafc895b4e31760ea1abe

Reading this advisory was a good start.

Make it a habit.

Rewterz publishes threat advisories ahead of mainstream cybersecurity media, informed by an AI-Native Autonomous SOC that sees regional threat actor activity in real time. Subscribe to receive each new advisory as it publishes, plus a monthly Middle East threat landscape brief drawn from our own SOC telemetry. For teams evaluating their detection coverage, a 30-minute consultation with a senior analyst is also available, at your pace, when you're ready.