SafeDeserializationHelpers | : japanese_ogre : Fixes known BinaryFormatter | Security Testing library

by zyanfx C# Version: v0.5.1 License: MIT

X-Ray Key Features Code Snippets(1)Community Discussions(1)Vulnerabilities Install Support

kandi X-RAY | SafeDeserializationHelpers Summary

SafeDeserializationHelpers is a C# library typically used in Testing, Security Testing applications. SafeDeserializationHelpers has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

This tiny library tries to fix several known BinaryFormatter vulnerabilities. When a malicious payload is detected, the library throws an UnsafeDeserializationException instead of deserializing the data that is able to produce bad side effects.

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Support

SafeDeserializationHelpers has a low active ecosystem.

It has 6 star(s) with 5 fork(s). There are 2 watchers for this library.

It had no major release in the last 12 months.

There are 1 open issues and 2 have been closed. On average issues are closed in 0 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of SafeDeserializationHelpers is v0.5.1

Quality

SafeDeserializationHelpers has 0 bugs and 0 code smells.

Security

SafeDeserializationHelpers has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

SafeDeserializationHelpers code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

SafeDeserializationHelpers is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

SafeDeserializationHelpers releases are available to install and integrate.

Installation instructions are not available. Examples and code snippets are available.

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SafeDeserializationHelpers Key Features

No Key Features are available at this moment for SafeDeserializationHelpers.

SafeDeserializationHelpers Examples and Code Snippets

Code sample

Lines of Code : 7

License : Permissive (MIT)

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// unsafe: deserialization can trigger arbitrary code execution
var fmt = new BinaryFormatter();
var object = fmt.Deserialize(stream);

// safe: deserialization is guarded against known vulnerabilities
var fmt = new BinaryFormatter().Safe();
var obje

Community Discussions

Trending Discussions on Security Testing

DAST security scaning of a IoT Nodemcu esp8266 LUA script www HTML server connected to camera and A/C relay

QUESTION

DAST security scaning of a IoT Nodemcu esp8266 LUA script www HTML server connected to camera and A/C relay

Asked 2021-Apr-08 at 01:04

I have not, but shall DAST* security test, out of curiosity, an IoT device; Nodemcu esp8266 www server I built. It's showing a HTML page (on a mobile phone for example) that allows to control and interact with a camera module and a A/C relay. With it I can for example show images captured in the camera I even think it has some image recognition built in, and I can switch on and off a relay for electrical current to a light bulb (110/220v A/C power)

Before I start pentest I though I better start thinking of what types of exploits one would be able to find and detect? Which sinister exploits I will be able to find, or rather ought be able to find given a proper pentest exercise? (And if I do not find exploits, my approach to the pentest of the Iot might be wrong)

I ponder it might be a totally pointless exercise since the esp8266 www server (or rather its LUA programming libraries) might not have any security built into it, so basically it is "open doors" and everything with it is unsafe ?

The test report might just conclude what I can foresee be that the the "user input needs to be sanitized"?

Anyone have any idea what such pentest of a generic IoT device generally reports? Maybe it is possible to crash or reset the IoT device? Buffer overruns, XXS, call own code ?

I might use ZAP or Burpsuite or similar DAST security test tool.

I could of course SAST test it instead, or too, but I think it will be hard to find a static code analyzer for the NodeMCU libraries and NUA scripting language easily ? I found some references here though: https://ieeexplore.ieee.org/abstract/document/8227299 but it seems to be a long read.

So if someone just have a short answer what to expect in a DAST scan/pentest , it would be much appreciated.

Stay safe and secure out there ! Zombieboy

...

ANSWER

Answered 2021-Apr-08 at 01:04

I do my vulnerability scanning with OpenVAS (I assume this is what you mean by pentesting?). I am not aware of any IOT focused Tools.

If your server is running on esp8266, i would imagine that there is no much room for authentication and encryption of http traffic, but correct me if i am wrong).

Vulnerability Scan results might show things like unencrypted http traffic, credentials transmitted in cleartext (if you have any credentials fields in the pages served by the web server) etc. Depending on if there is encryption, you might also see weak encryption findings.

You might get some false positives on your lua webserver reacting like other known webservers when exploits are applied. I have seen this kind of false positive specially on DoS vulnerabilities when a vulnerability scan is testing a vulnerability and the server becomes unresponsive. Depending on how invasive your vulnerability scanner is, you might get a lot of false positives for DoS on such a constrained platform.

Source https://stackoverflow.com/questions/66995125

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install SafeDeserializationHelpers

You can download it from GitHub.

Support

ActivitySurrogateSelector gadget by James Forshaw (loads an assembly and executes arbitrary code).PSObject gadget by Oleksandr Mirosh and Alvaro Munoz. Target must run a system not patched for CVE-2017-8565.TypeConfuseDelegate gadget by James Forshaw (runs any process using Process.Start delegate).DataSet gadget by James Forshaw (unsafe BinaryFormatter deserialization).WindowsIdentity gadget by Levi Broderick (unsafe BinaryFormatter deserialization).

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