Tagged Questions

Open source is a term used for software whose source code is made available. Software distributed under Open source license allow the users to study, debug and improve the software with certain rights preserved for the copyright holder.

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0
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0answers
9 views

Get information about the audit state of software (for OSS)?

How does one go about to determine how well audited/checked a software is? To make this a much more specific question I am interested in ways to ascertain (mailing lists, rankings etc.) that a ...
-1
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2answers
60 views

Open Source Malware Scanner/Cleaner [closed]

What is the best Open Source Malware Scanner/Cleaner? Malware-bites is good but it requires licensing for companies.
-2
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4answers
115 views

How secure is it to use an open-source software [closed]

Is it possible for the developer of an open-source software to hide a backdoor without getting caught? Obviously open-source is superior to close-source when it comes to transparency, also I am aware ...
31
votes
0answers
2k views

Can you prove that an open source program is running the same code that it claims to be? [duplicate]

So if a group has made open source software, and the source code is available on github, and is bundled with an executable in their main download, can it be proven that the executable is compiled from ...
1
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3answers
66 views

Simplifying SMIME by re-using the Public & Private key across email accounts

I need to simplify (at the cost of security features) an SMIME deployment. How can I generate a CSR that reuses the same public and private key for more than one email address? In other words, I ...
0
votes
1answer
54 views

How can I prove to users of the software that the binaries I post match source code that's been inspected and verified by a third party? [duplicate]

If I have software that's like TrueCrypt where security is very important, but unlike TrueCrypt because mine won't mysteriously go offline for seemingly no reason at all, how can I prove that my ...
13
votes
3answers
816 views

What are the security implications of 'open-source' vs. 'source-available'?

In light of the current fiasco surrounding TrueCrypt, I have received considerable criticism from current clients and peers in the IT industry for my continued support of the open-source model. Such ...
1
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2answers
120 views

Open Source OS - code you see vs code you get

In this question I will use the example of Linux OS, but I am also interested in general situation. Linux OS distributions are famous for being open source and thus rather secure. But how can you be ...
1
vote
2answers
163 views

Static code analysis strategies [closed]

Imagine: We have been given the source code of several software programs, some open source, others proprietary. What's the best strategy to analyze the source code in each case? For example: We know ...
-1
votes
1answer
42 views

OpenSource considered harmfull?

What would you think about military strategist who is publishing full plans for all of important infrastructure? I think that person will be stupid. Can be this analogy case with OpenSource? Here is ...
2
votes
2answers
80 views

Risks associated with compiling open source projects

After reading this question about if it's safer to download and compile the source for an open source project or download and run the installer, I thought of another possible vulnerability: is it ...
1
vote
2answers
126 views

What can I do to increase security of a small open source application

I've been developing a small CRUDish Ruby on Rails application on my free time for a non-profit organization. The app is already running in a small scale in Heroku. Lately I've been thinking about ...
5
votes
4answers
255 views

Is compiling source code from github a big security risk?

I have several programs (Emacs el-get, oh-my-zsh and Homebrew) that occasionally load source code from github and compile it on my machine. Is this a big security concern? What can I do to prevent ...
2
votes
2answers
2k views

How secure is EncFS compared to TrueCrypt?

If I choose the paranoia option for EncFS and for TrueCrypt I create containers using the encryption algorithm AES-Twofish-Serpent and the Hash Algorithm Whirlpool. Are both methods equally secure, ...
10
votes
3answers
2k views

Security related code in Open Source projects?

I have recently heard that most of the PHP code is confidential, because if attackers know your database structure or the hash function used to encrypt the passwords, there is higher chances of a ...
0
votes
1answer
110 views

Is it bad practice to add an encrypted private key to source control?

I understand that it is bad practice to add passwords and secret tokens to source control, with obvious implications arising if you are working on an open-source or related project. Rather, you ...
2
votes
1answer
158 views

Use of openssl could be a weak point in an Android App?

I'm reviewing an Android app (consists of Java and C source). There are complicated obfuscation steps in the build process (for content protection). But it uses statically linked openssl library ...
7
votes
3answers
116 views

How to trust ICs?

While it is theoretically possible to thoroughly examine the source code of Open Source Software to check for backdoors (neglecting a Ken Thompson hack), and given sufficiently adequate knowledge in ...
0
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3answers
228 views

How to store user credentials like Mint.com [duplicate]

If you have a website that need to store user's credentials for other sites, how do you store those credentials securely? An example is Mint.com where you give them your username/password for your ...
10
votes
2answers
3k views

Free/Libre software to handle TCG OPAL 2.0-compliant Self-Encrypting Drives (SEDs)?

I'm in search of a free/libre software that is able to handle OPAL (2.0)-compliant SEDs (i.e. manage the setting of Pre-Boot Authentification (PBA) environment, encryption keys...). It could be a ...
-1
votes
1answer
395 views

Open Source tool for analysing javascript for security vulnerabilities [closed]

I am completely new to this field and am a college student. I am looking for a static code analysis tool that scans the source code of a web app ( NOT the URL) for security vulnerabilities. So far i ...
4
votes
3answers
158 views

How can you know what is distributed with your Linux

I'm curious, in theory, how can one know if for example kernel that is distributed with Ubuntu Linux is really what is on https://github.com/torvalds/linux and not some modified kernel which contains ...
0
votes
1answer
71 views

Security principle regarding softwares

Security through obscurity isn't real security. That's why theoretically, closed source software is a wrong solution. A software, example an operating system still needs to be secure when ...
11
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8answers
497 views

Trust Issues Relative to Open Source

Two separate discussions have very recently opened my eyes to an issue I had not considered – how to confirm the Open Source binary one uses is based on the published source code. There is a large ...
3
votes
2answers
360 views

In Visual Studio, what are the risks of simply opening an untrusted project? What are the mitigations?

I'm looking at the source code of some potentially hostile code. As usual, VS 2012 is giving me the security warning: "You should only open projects from a trustworthy source" ... "ask me for every ...
-4
votes
2answers
10k views

Why do some people think Linux is more secure than Windows? [duplicate]

I have no idea if Linux is more secure than windows. I think Linux is more secure but I want to know what is going at kernel level. Somebody told me that Linux have only one main kernel and has it ...
4
votes
1answer
171 views

auditing open source compiler binaries for trojans

It is a well known vulnerability that a properly altered compiler binary can transfer itself to new binaries of the compiler, and still be entirely absent from the source code. But how real is this ...
-2
votes
1answer
122 views

Am I covered with GPL If I want to share open source code of project developed in my company? [closed]

I do not know if it's the right place to ask this question. But I find that this site is the closest site in the exchange sites to ask a such question. I m working in a company and in my job contract ...
0
votes
1answer
171 views

Allow read-only access to server-side pages for security review?

This answer: http://security.stackexchange.com/a/37319/10574 Mentions the issue of host-based security. To the end user, the web server is an untrustable black box. Would it provide to needed ...
6
votes
3answers
397 views

I work on an open source project. Is there a “standard” to reporting security vulnerabilities that we can use?

I work on an (intentionally undisclosed) open source project. To the best of my knowledge, we do not have a discoverable policy on reporting security vulnerabilities. Rails has their own policy ...
5
votes
2answers
619 views

What are good free opensource tools for helping in manual source code reviews? [closed]

I know tools that help in identifying security vulnerabilities in source code (static analysis tools), like Findbugs for Java or Pixy for PHP, but I would like to know good free opensource tools that ...
2
votes
1answer
245 views

How much are security tools audited?

Just an open question to the security community at large because... well... the phpMyAdmin thing has made me more paranoid than usual... Specifically, I'm thinking about Kali Linux (ex-BackTrack). ...
2
votes
5answers
2k views

Website vulnerability scanner in Java && Open Source

I am working on a Web platform that must-need-should have a good level of security. Therefore, I am interested in a good quality tool to test my Web platform QA on security. My main programming ...
7
votes
3answers
445 views

Is it safer to compile open source code vs simply running the binary?

I understand that with OpenSource software, my milage may vary based on the trust of the author and the distribution platform they use (Codeplex, Git, or private server). Oftentimes a FOSS website ...
3
votes
3answers
2k views

Could I delete .csr files when the key is signed by CA

I'm creating my own openvpn server. The Certificate authority is located on a separated host. There is two kind of clients: which that just send a .csr and to which i send the .crt as an answer and ...
3
votes
3answers
167 views

OAuth in open-source plugin

I'm designing an API server and client pair. Typically, I want the client to be in a WordPress plugin. I'd like to use OAuth or something similar to secure the requests. However, as you know, OAuth ...
2
votes
1answer
258 views

Good tools for reverse engineering colaboratively? [closed]

Does anybody know a good set of tools for doing reverse engineering of binaries in a collaborative way?. My original idea is to disassemble a binary, allowing to add information about functions, ...
8
votes
4answers
6k views

How is Tor secure?

If Tor is open source and thus its process of concealing your IP is known, then how does it keep anything secure? Couldn't someone look at the source code and figure out how to reverse the routing ...
3
votes
5answers
2k views

Building a Security Training Simulation environment

My university is keen to build a security training simulation environment/platform and it will be a good learning experience for students. I Googled around to find out how it is built, but I only ...
3
votes
2answers
5k views

Are there any free static analysis tools for C# / .NET code

A client recently asked me to perform a code review on C# code. As an independent contractor I was wondering what are the automated solutions out there where I would not have to break the bank to ...
0
votes
2answers
452 views

Any open source software firewall with country based ip blocking feature? [closed]

I am looking for an open source firewall with country based ip blocking feature for Linux OS.
9
votes
4answers
2k views

Tool for public key cryptography where password is the private key?

Is there any free & open source tool for public key cryptography, where the private key is just a chosen password? Here is what I need: I want to make backups every hour using a script I want ...
28
votes
8answers
2k views

Is it safer to use less heard of software than popular software?

Is it good policy to use non-mainstream applications, or does it depend? For example is it better to use a less popular browser, media player or operating system as it is less likely a target for ...
3
votes
1answer
82 views

Is it more or less secure when an entity shares it's security procedures?

Right now I'm doing a work term through my school and they want me to write a report on something I've worked on. They are really serious about "proprietary reports" and reports requiring destruction ...
1
vote
2answers
120 views

What was done to gain a list of home directory accounts?

Today some sites were defaced in our WHM/cpanel VPS. I understand that the common cause of this is outdated scripts/plugins/etc. However as I was checking the file manager of one of the accounts I saw ...
3
votes
2answers
694 views

failed login attempts analysis

Is there any open source project that logs all the failed login attempts over a period of time and gives me analysis of the same, the login failure is at windows or unix or mac user authentication ...
4
votes
2answers
304 views

Drupal Disputed CVE Five Year Tempest – Open Source Security Shortfall?

Can someone add context to the subject issue? At first glance it appears to me this issue represents a fundamental shortfall in the forces encouraging secure coding in open source development. Is ...
1
vote
3answers
226 views

Is a web application being built on an open-source platform less secure because it is open-source?

With the recent news that microsoft are releasing the source code for their ASP.NET Web API and web pages 1 I'm wondering, Does having access to the source code of the underlying libraries a web ...
1
vote
1answer
648 views

Open source firewall with multi wan support [closed]

I use smoothwall express and also used IPCop. But now I need to have multi WAN support as I want to use a DSL and Cable internet connection together to increase my speed, specifically upload speed. ...
6
votes
2answers
1k views

How do open source projects handle secure artifacts?

Specifically, how are things like keystores handled, or other items needed to build or run an app? In my case, I have a Chrome OS app that requires a keystore to build and publish to the Chrome Web ...