Thank you for research to discover and publish this, but I must say, that your title is a bit misleading, or frankly said just sensationalistic and technically wrong. What you describe in the article is simply a bad usage of the infamous `eval` function which is, as to its nature, the easiest way to allow remote code execution. This is covered in dozens of articles and is among the first things every Javascript developer should learn. But most of all the usage is NOT in Node.js itself but in a rather unpopular npm package that was not updated in 4 years and has a mere 11 dependents, according to npmjs. Download Canon Lbp 1120 Driver Windows 7 X64. org This is a simple problem with all open source packages: everyone who thinks about using an open source third party dependency should review the source code before trusting it, if used in security context.

This is why the `node-serialize` package has no serious dependants as everybody in their right mind would scan a serialization library for the unprotected usage of `eval`. So again, thanks for your work in discovering this, but please adapt the title to the facts!

I have PHP script which acts as a DNode client. Then I have Node.js Dnode server which evaluates code which receives from PHP client and it returns DOM as HTML. Naholyr / js-php-unserialize. Pull requests 3. Projects 0 Insights Dismiss Join GitHub today. GitHub is home to over 28 million developers working together to host and review code, manage projects, and build software together. Install from npm: npm install php-unserialize. The use it the usual way.

Hp Ilo Remote Console Is Not Licensed Force on this page. Hi Lukas, This blog post intent to cover deserialization bugs in a fairly new JavaScript environment, Node.js. As Node.js does not provide serialization/deserialization APIs, there is third party modules providing this functionality to Node.js. The issues discussed in the blog post is present in not just one library, but in other libraries like serialize-to-js as well.

What you describe in the article is simply a bad usage of the infamous `eval` function which is, as to its nature, the easiest way to allow remote code execution. This is covered in dozens of articles and is among the first things every Javascript developer should learn. This is not so simple and straightforward as that.

The unserilalize()/deserialize() function provided by these modules are designed to convert strings to objects, which may contain functions inside them, but not to execute them. We are actually abusing the IIFE property to make this into a working exploit. So it is not as simple as old school eval() where JavaScript code is passed into eval() resulting in code execution. The exploitation technique and payload is different here and is not covered anywhere as far as I know, please correct me if I am wrong.

I am a security engineer myself. I don’t know how many developers did a code review on Apache Commons, the Java library known for deserialization issues () before using it. It is not practical in real world for a developer to do code review and then use a library/module. It has to be the job of a security engineer/ consultant to do code review once the code is written and thats how I found this. And finally I agree, the title might be confusing for people who judge early.

So I have updated the tl;dr section with enough information to avoid confusion.

Serialize JavaScript Serialize JavaScript to a superset of JSON that includes regular expressions, dates and functions. Overview The code in this package began its life as an internal module to.

To expand its usefulness, it now lives as serialize-javascript — an independent package on npm. You're probably wondering: What about JSON.stringify()!? We've found that sometimes we need to serialize JavaScript functions, regexps or dates. A great example is a web app that uses client-side URL routing where the route definitions are regexps that need to be shared from the server to the client. But this module is also great for communicating between node processes.

The string returned from this package's single export function is literal JavaScript which can be saved to a.js file, or be embedded into an HTML document by making the content of a.