Overview

Nx 1065-g7
Nx 10 Spektrum
Nx 10 Tutorial

NX 10 For Beginners introduces you to the basics of NX 10 by using step-by-step instructions. You begin with brief introduction to NX 10 and the User Interface, ribbon, environments, commands, and various options. Within a short time, you will learn to create 2D sketches that form the basis for 3D models. The Samsung NX10 is a 14.0 effective megapixel APS-C crop CMOS mirrorless interchangeable lens digital camera made by Samsung. It was announced on January 4, 2010 and is one of the first mirrorless cameras with an APS-C sized sensor. Samsung NX11 replaces NX10 in manufacturing since February 2011. My working pc recently got NX-10 working with a licence server from our company in an other country. We got NX working on my Window 10 for one day. Since then, when I try to launch the software, nothing happens. I know that the license server work since we can ping the server and everything work on the server/license side.

yargs-parser is a mighty option parser used by yargs.

Affected versions of this package are vulnerable to Prototype Pollution. The library could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.

Our research team checked several attack vectors to verify this vulnerability:

It could be used for privilege escalation.
The library could be used to parse user input received from different sources:
- terminal emulators
- system calls from other code bases
- CLI RPC servers

PoC by Snyk

Details

Prototype Pollution is a vulnerability affecting JavaScript. Prototype Pollution refers to the ability to inject properties into existing JavaScript language construct prototypes, such as objects. JavaScript allows all Object attributes to be altered, including their magical attributes such as _proto_, constructor and prototype. An attacker manipulates these attributes to overwrite, or pollute, a JavaScript application object prototype of the base object by injecting other values. Properties on the Object.prototype are then inherited by all the JavaScript objects through the prototype chain. When that happens, this leads to either denial of service by triggering JavaScript exceptions, or it tampers with the application source code to force the code path that the attacker injects, thereby leading to remote code execution.

There are two main ways in which the pollution of prototypes occurs:

Unsafe Object recursive merge
Property definition by path

Unsafe Object recursive merge

The logic of a vulnerable recursive merge function follows the following high-level model:

When the source object contains a property named _proto_ defined with Object.defineProperty() , the condition that checks if the property exists and is an object on both the target and the source passes and the merge recurses with the target, being the prototype of Object and the source of Object as defined by the attacker. Properties are then copied on the Object prototype.

Clone operations are a special sub-class of unsafe recursive merges, which occur when a recursive merge is conducted on an empty object: merge({},source).

lodash and Hoek are examples of libraries susceptible to recursive merge attacks.

Property definition by path

There are a few JavaScript libraries that use an API to define property values on an object based on a given path. The function that is generally affected contains this signature: theFunction(object, path, value)

If the attacker can control the value of “path”, they can set this value to _proto_.myValue. myValue is then assigned to the prototype of the class of the object.

Types of attacks

There are a few methods by which Prototype Pollution can be manipulated:

Type	Origin	Short description
Denial of service (DoS)	Client	This is the most likely attack. DoS occurs when `Object` holds generic functions that are implicitly called for various operations (for example, `toString` and `valueOf`). The attacker pollutes `Object.prototype.someattr` and alters its state to an unexpected value such as `Int` or `Object`. In this case, the code fails and is likely to cause a denial of service. For example: if an attacker pollutes `Object.prototype.toString` by defining it as an integer, if the codebase at any point was reliant on `someobject.toString()` it would fail.
Remote Code Execution	Client	Remote code execution is generally only possible in cases where the codebase evaluates a specific attribute of an object, and then executes that evaluation. For example:`eval(someobject.someattr)`. In this case, if the attacker pollutes `Object.prototype.someattr` they are likely to be able to leverage this in order to execute code.
Property Injection	Client	The attacker pollutes properties that the codebase relies on for their informative value, including security properties such as cookies or tokens. For example: if a codebase checks privileges for `someuser.isAdmin`, then when the attacker pollutes `Object.prototype.isAdmin` and sets it to equal `true`, they can then achieve admin privileges.

Affected environments

The following environments are susceptible to a Prototype Pollution attack:

Application server
Web server

How to prevent

Nx 1065-g7

Freeze the prototype— use Object.freeze (Object.prototype).
Require schema validation of JSON input.
Avoid using unsafe recursive merge functions.
Consider using objects without prototypes (for example, Object.create(null)), breaking the prototype chain and preventing pollution.
As a best practice use Map instead of Object.

For more information on this vulnerability type:

Remediation

Upgrade yargs-parser to version 5.0.1, 13.1.2, 15.0.1, 18.1.1 or higher.

References

NX-10 doesn't want to launch

Nx 10 Spektrum

NX-10 doesn't want to launch

Nx 10 Tutorial

Hi everyone,
My working pc recently got NX-10 working with a licence server from our company in an other country.
We got NX working on my Window 10 for one day. Since then, when I try to launch the software, nothing happens.
I know that the license server work since we can ping the server and everything work on the server/license side.
We already have java 7u51 so it's not the problem.
When I open the license PLM Software Licensing Tool, there is an infinite loading of the environment information and I can't see the License Server working.
Please, if anyone have a clue, it would be very appreciated.
Thank you