Application security - Specific to security concerns for an application that are independent from the underlying operating system, or surrounding infrastructure. Pertains to the design / architecture, source code, patching and maintenance cycle, or deployment and configuration of this software.

learn more… | top users | synonyms (1)

6
votes
3answers
249 views

How could one detect if Apple/Google/etc. has modified a third party application distributed through their App Stores?

Are there any realistic methods for verifying that Apple or whoever has not tampered with third party application distributed through their App Store? You might for example have an open source ...
6
votes
7answers
2k views

Should I prevent sending of GET requests for urls that are normally operated with POST request?

There is an url that is normally operated using POST requests (i.e. POST request is sent when user submits form). But attacker can form GET request with parameters that are sent in POST request. This ...
5
votes
3answers
453 views

What fraction of web sites are vulnerable?

It is known that security vulnerabilities are common on the web: many web sites are vulnerable. Is there any data on what fraction of web sites are vulnerable, and what fraction are secure?
5
votes
2answers
351 views

FrameBusting script

It is commonly known that loading your site inside a frame on another site, can potentially expose your site to all kinds of ills, and in general is not a good idea if you have any sensitive data to ...
4
votes
2answers
944 views

Is there any way to use Nuget securely?

Visual Studio now includes a Package Manager that downloads and updates software packages from the internet. The common name for this is "Nuget" The problem I have is that anyone can pretend to be ...
4
votes
1answer
2k views

how to secure Android Market public key

Android's security manual says that it is not safe to keep market public key just as a string and it should be hidden/encoded somehow. I am new to android Can somebody please provide me with example ...
4
votes
1answer
662 views

Does sandboxie “grab” all the system calls?

Sandboxie: http://www.sandboxie.com Does sandboxie "grab" all the system calls, e.g.: filesystem calls? Or it "grabs" all the low level calls from a process?
4
votes
1answer
1k views

How to prevent CSRF if you want to include Flash plugins in your form like Uploadify in your form?

What is CSRF? I need a basic definition that is not just lifted from Wikipedia. I understand SQL injection, XSS, cookie poisoning, but I just cannot wrap my mind around this. I am using a ...
3
votes
2answers
912 views

List of Top security risk/attack scenarios for android application [closed]

WHat are the possible security risk/attack scenarios for android application. This is with regards to the OWASP top 10 Mobile Security threats discussed here: ...
3
votes
3answers
1k views

AES for key encryption

Is AES a good choice for protecting a key stored on the computer of a user of my application? I have seen threads on hashing passwords that suggest using slow algorithms for defending against brute ...
12
votes
4answers
353 views

Sensitive information was placed in a publicly accessible folder. Who is responsible and how to proceed?

Background We have an IT staff who manages our server and a web developer who is not on the IT staff and has no root access to the server. All involved do very high quality work and I do not consider ...
12
votes
3answers
3k views

When using AES and CBC, can the IV be a hash of the plaintext?

[Originally on programmers.stackexchange.com with title: Can you encrypt with AES+CBC and search the encrypted data] Basically, I'm going to go with Advanced Encryption Standard with either ...
10
votes
2answers
4k views

How to address XSS security issues in FCKeditor / CKeditor?

A security report we conducted through an outside company reported XSS vulnerabilities in FCKeditor which we're using in our PHP application. They pointed out that accessing URLs such as: ...
7
votes
1answer
332 views

Secure forgot password page: Is a server-stateless implementation viable?

This is yet another "How is a forgot my password page done right" question. However, it explicitly addresses two implementation options that I have come across recently. The common approaches [1,2] ...
6
votes
2answers
2k views

Canonicalization & Output Encoding

I'm reading OWASP's Secure Coding Practices Checklist and under their "Input Validation" section they have an item that reads: If any potentially hazardous characters (<>"'%()&+\\'\") ...
6
votes
3answers
419 views

How safe are copies of Firefox that are on various Mozilla mirror sites?

If I end up downloading a .dmg or .exe (depending on OS) installer from some mirror site, how can I be sure that a virus or trojan or spyware has not been added? I don't see any mechanism for ...
6
votes
4answers
433 views

What is the solution to Schneier's Law?

Schneier's law (which should probably be called Babbage's Law). States that: Anyone, from the most clueless amateur to the best cryptographer, can create an algorithm that he himself can't ...
6
votes
2answers
419 views

What protects cookies?

What protects cookies from being stolen? After all, they are just text files. A misbehaving browser can give up a lot more information that web masters would like. How do I know that a browser won't ...
4
votes
3answers
2k views

Altering a $_SESSION variable in PHP via XSS?

Not sure if what I'm saying makes sense... but is it possible for me to alter a $_SESSION variable from outside the target PHP script? One of our scripts uses a $_SESSION variable and I'm not sure if ...
3
votes
3answers
158 views

Encrypting a fixed format message with commands and transmitting over the internet

Linked to: Encrypting a fixed format message? I need to communicate from Site A, a set of information that will be presented to users of Site A, which when they choose to submit, should travel to my ...
2
votes
1answer
949 views

Example of attack trees in the web application security analysis

Here I am again asking for some informations about attack trees usage in web application analysis. For my master thesis I decided to study the usage of this formalism in order to reppresent attacks ...
1
vote
3answers
2k views

Are there any web application security standards?

Are there any web application security standards that I can use as a baseline for the security related requirements for a web application, web service, and for applications supported/hosted by third ...
1
vote
1answer
705 views

Web application software architecture: basic security

I am a complete beginner in the security topic and I know that I should read this, but I have a small question to which I hope exists a short answer. Let's say I have three components of a ...
1
vote
1answer
1k views

Securing clients side scripts [duplicate]

Most browsers allow users to view the source of a web-page quite easily and modern even provided detailed analysis. Often this code includes critical client side scripts in the form of JS/jQuery, ...
1
vote
2answers
3k views

Should CSRF 'Double Submit Cookie' technique have a different seed value for the cookie versus the HTTP POST?

I'm reading about the OWASP double submit cookies method of protection and there it states that the cookie value between the header and form should match. That seems to be somewhat of a risk, as the ...
10
votes
1answer
2k views

How to use postMessage securely

postMessage is a primitive introduced in HTML5 that web pages can use for cross-origin communication. What do I need to do to use postMessage securely? What are the primary security pitfalls or ...
6
votes
3answers
483 views

How to rate Open Source Libraries?

Is there some kind of automated scanning tool which detects threats in Open Source Java Libraries? I think the OWASP Orizon project tried to build such a tool, but it seems to be inactive for years ...
4
votes
1answer
581 views

How does the “Service Identity” feature of Azure ACS compare (and contrast) to a real IDP?

It appears that the ACS has IDP-style features within the "Service Identities" section. How does the ACS treat these in comparison to a real IDP? What is missing? Some examples I'm thinking of ...
3
votes
2answers
1k views

Added security risks that come with 3-tier software architecture

Are there any added security risks that come with using a 3-tier architecture such as MVC in a software project? I got asked this today, and my gut reaction was "I don't see why there would be." ...
3
votes
2answers
406 views

Security while connecting to a mysql databse using pdo

I looked at this question: What is the right way of storing database connection strings from the security point of view? and I'm wondering specifically for connecting to a mysql databse with PDO, how ...
3
votes
1answer
2k views

Are there any tools for automated penetration testing of Silverlight applications? [closed]

I'd like to find a tool to assist with automated penetration testing of Silverlight applications, in a similar vein to AppScan for webapps. Specifically, I'm looking for a tool that can cope with ...
2
votes
0answers
54 views

Disallowing Similar Passwords [duplicate]

Upfront, I want to clarify that I am not a professional cryptographer, I am more curious about playing with the math and science behind it, and also want to improve my habits with my own personal and ...
2
votes
1answer
652 views

How to hide victim pop-up in clickjacking?

I am testing a web application for click-jacking vulnerability. The attack works fine for single clicks, however i am trying to delete a file and the hidden frame (victim) throws a pop-up ...
2
votes
2answers
1k views

Is Drupal's filter_xss enough for filtering HTML?

Drupal has filter_xss function. Is it safe to use for filtering arbitrary user HTML input? If not, what should be used instead when using Drupal 7? This questuion is a duplicate of Drupal's built-in ...
2
votes
2answers
256 views

Is WCF or Java Metro security configuration in-scope for your security department; should it be?

Windows Communication Foundation (WCF) is a set of technologies that expose server-side executable code and data over the Internet. Given the port sharing abilities of IIS, or even that a web ...
1
vote
3answers
310 views

Validating Credentials - Logic in Application vs Database

I am studying Web Application Security, A Beginner's Guide Paperback – November 3, 2011 by Bryan Sullivan (Author), Vincent Liu (Author) On pp 69, "Validating Credentials", they say you can ...
1
vote
1answer
252 views

Breaking out of the virtualization layer

Problem So I set up a virtual backtrack machine using VMware Workstation - I'm trying to launch an attack against the host OS (Ubuntu Linux) from the virtualized host (backtrack), but I do not ...
0
votes
1answer
123 views

Exploiting CSRF PUT request

If the application uses RESTful communication, does it need to have CSRF protection for PUT and DELETE requests? As per my understanding its not possible to trigger a PUT request using JavaScript and ...
0
votes
3answers
270 views

What is a good way to authenticate a user to websites and applications with a smart phone?

What would be a good way to authenticate a user to authenticate to websites and applications over a smart phone? By good, I mean that it is both secure, and user-friendly. Passwords don't seem to be ...
0
votes
1answer
135 views

Shared Memory expolit in smartphone OS

Today there is news about smartphone OS (Android, Windows and iOS) security hole using which some researchers have found a way to literally read all user activity from mobile screen. This is one of ...
0
votes
1answer
116 views

Desktop API Security

I have a Desktop API written in C++. Within this API I call a REST API to register with my service (using typical email user validation). The REST API is protected with a ID and SECRET; the requests, ...
0
votes
3answers
179 views

What organisation(s) is able to recommend a baseline technology set for safe, secure, web browsing?

This is a high level question regarding some recent posts about enhancing web browser security from an end-user perspective. What business/organisation(s) would have: Sufficient technical skill ...