
Research
/Security News
Critical Vulnerability in NestJS Devtools: Localhost RCE via Sandbox Escape
A flawed sandbox in @nestjs/devtools-integration lets attackers run code on your machine via CSRF, leading to full Remote Code Execution (RCE).
= Description
A work queue is designed to coordinate work between a producer and a pool of worker threads. When some task needs to be performed, the producer adds an object containing the task routine to the work queue. If the work queue is full, the producer will block until a worker thread removes an object from the queue. Eventually, one of the worker threads removes the object from the work queue and executes the routine. If the work queue is empty, a worker thread will block until an object is made available by the producer.
Work queues are useful for several reasons:
= Usage
Install the gem:
gem install work_queue
Run the code:
require 'rubygems' require 'work_queue' wq = WorkQueue.new wq.enqueue_b { puts "Hello from the WorkQueue" } wq.join
It's generally recommended to bound the resources used:
WorkQueue.new 10, nil
WorkQueue.new nil, 20
= Example(s)
Download multiple files in parallel:
require 'open-uri' require 'rubygems' require 'work_queue'
wq = WorkQueue.new 5
(1..6605).each do |number| wq.enqueue_b do open("rfc#{number}.txt", "wb") do |file| file.write open("http://www.rfc-editor.org/rfc/rfc#{number}.txt").read puts "rfc#{number} downloaded" end end end
wq.join
= License
Released under the MIT license.
FAQs
Unknown package
We found that work_queue demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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Research
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A flawed sandbox in @nestjs/devtools-integration lets attackers run code on your machine via CSRF, leading to full Remote Code Execution (RCE).
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