A sandbox is a security mechanism for containing and restricting untrusted programs. Such programs could contain malicious code, which would otherwise harm the user's system.

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How to detect malicious JavaScript in a PDF file?

Is having any JavaScript in a PDF file by definition dangerous or is it only dangerous when specific functions (for example eval) are used inside a PDF, in which case, what JavaScript functions are ...
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107 views

Vulnerability in popular Javascript Framework (Angularjs)

I found a bug that allows you to escape the AngularJS template sandbox. Angular is a mustache based template language. It allows you to put expressions that are evaluated in your html. For example, {{...
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The difference between jailing, sandboxing and interpretation

In my IT security classes I frequently ran over these terms and had a hard time distinguishing between them, so I tried to figure their differences: Sandboxing: Defense mechanism against mobile code, ...
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20 views

Auto-apply OS X sandbox profile to binary without the terminal sandbox-exec command

In OS X, is there a way to always apply a particular sandbox profile to a specified binary? The binary could for example be specified by its file system path and its fingerprint and/or its certificate....
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21 views

Is OS X sandbox able to provide access to fake layers (instead of denying access)?

Is there a way to trick sandboxed applications into thinking that they have more access than in reality? For example, present a fake network layer, a fake filesystem, or a fake address book, instead ...
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58 views

How does the quarantine of anti-virus/malware software work? [duplicate]

What is the quarantine of antivirus software? Is it just some strict user/group rights and changing file extension or is it an actual moving the file(s) to a virtual environment? How is this software ...
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1answer
82 views

How does Antivirus sandbox work?

Supposing we have a malicious .EXE which deletes (using DEL command with cmd) a sensitive system file. First, common antivirus will analysis the file with signature detection. Secondly, it will be ...
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2answers
82 views

Sandbox escape of an isolated turing complete language?

Ethereum's Solidity documentation states: The Ethereum Virtual Machine or EVM is the runtime environment for smart contracts in Ethereum. It is not only sandboxed but actually completely isolated, ...
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339 views

Sandboxing untrusted user-supplied code in a web application

I am trying to create a programming game where user-supplied programs compete in battle simulations, to be used as a tool to teach and practice programming. (It will likely be a turn-based robot ...
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Why is it considered safe to install something as a non-root user in Linux environments?

We always hear it is safe to run unknown programs as non-root users in Linux because non-root users are sandboxed from the system level and can't change anything out of their permission scope. If ...
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237 views

How secure is “Browser in the Box”?

I'm wondering how secure is "browser in the box" from Sirrix? They said in their official website: In contrast to simple sandboxing methods provided by standard browsers "Browser in the Box" ...
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31 views

How do I execute a file under Linux Mint when it could be 'unsafe'? [duplicate]

Sometimes I find PDF's on the world wide web which I need for a project etc. But I'm afraid to get some sort of malware, virus or whatever on my PC too. I'm using Linux Mint. I would like to download ...
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991 views

How is a public scriptable site like codepad or ideone manages it's sandboxing?

I've researched this stuff a lot in the recent months but I can't grasp any solid basis on how they achieve running unsafe scripts in so many languages without a problem! I'm sure they are running ...
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239 views

How secure is Sandboxie?

Sandboxie is a very popular and useful program for handling suspicious executables on Windows. Due to flawed security properties of Windows systems (eg. compared to Linuxes), it is hard to rely on the ...
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3answers
358 views

Can someone read a iOS class variable from outside the app?

a class variable like this: @property (strong, nonatomic) NSString *privateValue; Can someone read the value of that variable while it´s in memory? I can´t find anything about this on the apple ...
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2answers
142 views

Does Java/Dalvik's Java Native Interface JNI make Android prone to better attacks?

Java has a feature named Java Native Interface (JNI), which allows to call native machine code function from inside the Java's bytecode. This feature allows effectively running machine native code ...
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72 views

What are the appropriate steps to take after installing a questionable Android app?

Situation: User installed an Android app from the Google Play Store. User's device is rooted, but that app does not have root privileges. XPrivacy reveals that the app is trying to make IPC (inter-...
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3answers
56 views

Security implications of FileExists() from javascript in browser

What would the security implications be if JavaScript, in a browser, could perform a typical FileExists() operation with normal file paths (win and/or mac)? Something like Node's fs.existsSync(path) ...
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Reading physical memory frame previously owned by another process to read contents of its memory page

I had a conversation with @anger32 who states that zeroing physical memory page frame when passing the page backed by that frame to another process is not the responsibility of OSes like Windows and ...
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143 views

Security Benefits in Replacing Windows Desktop Programs with New Windows Store Apps for Higher-Risk Uses?

Question: I'll put this as concretely as I can: For a small business-owning user of a Windows 10 PC who's highest-security-risk activities involve opening plenty of email attachments of PDF and ...
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2answers
322 views

Difference between antivirus and sandbox?

When reading about how antivirus and sandbox work, my understanding is that an AV scans a file to see whether it matches with known viruses signatures. Sandbox can be used to obtain the behaviors of a ...
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0answers
15 views

Sandboxing IE on metro interface

I hold a tablet with Windows 8.1. When I'm on the desktop interface I do use Sandboxie for normal internet usage to prevent having Windows infected. I wonder if there is a way to do the same with the ...
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1answer
109 views

When NtUnmapViewOfSection is called?

I'm analyzing an executable and I see that it created a process child and within it there was a call to NtUnmapViewOfSection. I know that this method is almost always malicious and can be used for ...
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1answer
157 views

How can I send a file with DLL to Cuckoo Sandbox?

I want to submit an executable for analysis in Cuckoo Sandbox. The file must be in the same folder with a DLL I have. How can I request Cuckoo to test my exe and make it run properly? (i.e exe and ...
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32 views

cuckoo sandbox - PID exit

I hope someone could help me I've played with cuckoo for a while however I've just done a new installation and it all works however it will not run the binary i would like to scan. the PID exits ...
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1answer
201 views

Microsoft Word protected view - is it secure enough to protect users?

We had a user receive an email with what appears to be a Word Doc virus and it wanted them to open the file and enable editing. If they did not enable editing but merely opened the file, should we be ...
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Docker as a sandbox for untrusted code

I have created a webapplication that among other things allows users to write, compile and execute code (Java, C#). The application creates a Docker container for every user where compilation and code ...
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108 views

Java code signing vs. sandboxing

I'm trying to understand the rationale behind Java Applet development these past few years. Back in the old days, most Applets were unsigned, and the code for these was run in a sandbox where barring ...
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127 views

Avast Sandbox Waking Computer from Sleep in Windows 10. Avast 2016 premium version

I typed in powercfg /lastwake into cmd and it told me an avast sandbox .exe had woken the computer. I've disabled sandbox and it no longer constantly wakes from sleep - within 30 seconds. I scanned it ...
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Does Android have sufficient app sandboxing?

In a previous question in InfoSec, I asked about how to determine the safety of a sideloaded Android app that requires root permissions. Now I would like to ask a related, but different question: Is ...
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Where can I find live browser exploits to test my sandbox? [closed]

I've just built a custom sandbox, and I'm happy with the way it processes samples that I upload directly. Now I'd like to work on "drive-by" browser exploits, but I'm not sure how to go about testing ...
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1answer
108 views

Would placing a hardened virtual machine in a VPS provide more security?

I have been working with DigitalOcean for a while now and while I do like that they make it easy to start up with a fully functioning virtual machine ready to go. It makes me cringe a little though ...
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161 views

Sandbox for GNU/Linux secure enough to run malware in it without harm [closed]

I am seemkng for a sandbox for Linux secure enough to run malware in it securely. It should allow create different sandboxes run different programs in them, including the ones requiring admin ...
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Java SE 8, Update 51 Added “Native Sandbox” Protection for Windows PCs. Wait, what?

So I was doing a little research about differences (if any) between the sandboxing models for Windows 8/8.1 applications and windows 10 applications when I stumbled across something rather interesting:...
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1answer
67 views

apparmor alternative for MacBook [closed]

Does anyone know an alternative to apparmor for Mac? Every time I use winebottler my MacBook gets Windows viruses. Wanted to protect my Mac from it.
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1answer
104 views

Is a precompiled Java program affected by Java vulnerabilities?

We know that Oracle publishes Java updates due to vulnerabilities / security issues and therefore we should make sure that we have installed the latest version of Java. Now there exist programs like ...
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1answer
258 views

What are the potential security problems running untrusted code in a Docker container as a non-root user?

I've seen plenty of ink spilled by now about how Docker is not sufficiently isolated to allow arbitrary containers to be run in a multi-tenant environment, and that makes sense. "If it's root in ...
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provable security and sandboxes

Maybe this can be answered by an answer to a more general question, such as what programs can be proven secure. Can it be (or has it been) formally proven that a sandbox is secure?
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Best method to sandbox X applications in ubuntu

What's the best way to sandbox an X application like firefox or thunderbird in ubuntu (going into the direction of what qubes os does, but only for single applications)? I know there are many ...
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1answer
157 views

Are there cases where malicious scripts on websites breached the sandbox of a browser so that files on the user's computer could be accessed?

Whenever a hosted script on a website tries to access a file on a user's computer the sandbox prevents it, but has there been any documented case where this sandbox obstacle was somehow overcome by ...
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Why does Android use SELinux?

To restrict/sandbox processes Android uses SELinux. Why was that chosen and not the linux capabilities or cgroups+namespaces solution? After all the cgroups+namespaces is kind of home grown for them ...
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1answer
102 views

What kind of attacks do Javascript WebWorkers protect against?

What kind of attack are prevented by running code submitted by the user in a Javascript Web Worker? Do they prevent attacks like XSS, or is it better to use some other sandboxing method to protect ...
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73 views

How to indicate that content in an iframe is untrusted

As part of a website I am developing, untrusted content is displayed in a sandboxed iframe. The content is loaded using the srcdoc attribute, but the iframe is sandboxed using sandbox="allow-scripts", ...
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186 views

Security concerns with user Python scripts

I am generating dynamic images in a web service. The current setup is: Request image.py image.py does a database lookup to determine what data to use to generate the image image.py calls a sub-...
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injecting javascript in webviews in Android

I am relatively new to mobile application security. Currently I am supposed to audit an android application which uses a webview to display some static FAQ page in an activity. The webview in ...
2
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1answer
1k views

Pokki Sandbox architecture. Is it secure?

Today I have looked at the desktop application framework - Pokki. The first questions were: how it works and is it secured. What I have found about security architecture: Pokki Security Overview. So ...
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82 views

Isolate part of my PC to keep security for online purchases?

Soon I'll doing some purchases online using my mother's credit card. She's pretty sceptical about online shopping but I convinced her. She's not so sure about how secure it is and since I'm not so ...
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164 views

Virtual Penetration Test Lab - Figuring Out Its Market Size

Is there any reliable data available based on which the Global Market Size of Virtual Pen Testing Labs ( or Cyber Ranges ) can be ascertained ? If NOT , is it possible to calculate it ?
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1answer
239 views

Are there any known breaches of the .NET AppDomain isolation?

.NET AppDomains provide several levels of isolation for untrusted or partially trusted code. The AppDomain sandbox is widely deployed in ASP.NET and Silverlight, although only the latter of these is ...
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528 views

Chromium Sandbox on Mac OSX: Is it enabled by default?

I have decided to finally replace the closed source and privately owned Google Chrome with the open-source Chromium on my Mac OSX 10.9.2 (Mavericks). I have read the differences between both here: ...