An application that is accessed over a network such as the Internet or an intranet using a browser.

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13
votes
6answers
3k views

Is it a security issue to allow nearly identical email addresses when registering?

Say you have a website where it is possible to create accounts for all of the following email addresses: 'test@test.com' 'test@test.com ' 'test@test.com;' 'test@test.com;test2@test.com' Should this ...
4
votes
2answers
129 views

Can I prevent all employees from accessing customer data without being logged (especially IT)

I am hosting a web application and SQL server database on Azure and I would like to ensure that no individual at the company can access customer data without the access being logged. It seems that ...
3
votes
5answers
132 views

Is it secure to ship public key with license file?

I've implemented a licensing client and server for our web-applications. Currently there is only one way for licensing an app, user should manually upload the license file using specified form and ...
24
votes
1answer
1k views

HTTP HEAD and its security versus operational uses

Most security advice I see recommends turning off HTTP Methods like TRACE, OPTIONS, HEAD etc. So now I have turned off most of these options on my web server and leaving only GET and POST options that ...
6
votes
3answers
711 views

How can I prevent data scraping on my website? [duplicate]

How can I prevent client software scraping data from my website? Some examples of my URLs are: http://example.com/products.php?q=1 http://example.com/products.php?q=2 ...
1
vote
1answer
130 views

Saving encrypted username password in session

I have Node.js server which serves an app. In that app you could be asked to login. The login credentials would be authenticated against LDAP. That server could request/post data from other servers ...
0
votes
2answers
155 views

Our users get a trojan horse alert on our site, but we don't. What do we do?

A user of our website got a trojan horse alert when she tried to get to our website. But myself and some other friends got no alert whatsoever and can go on the website and download files without ...
1
vote
1answer
95 views

How to only let end user to access data in a web app

I've been read a lot about common encryption methods used in a django app. However, my requirements are very different. I am looking for a way to encrypt my web app data so only the owner of the data ...
1
vote
1answer
86 views

Security concerns of HTML echo endpoint

Consider a website with an endpoint that, when a payload of an HTML string (full document or partial segment) is POST to it, the server will transform the payload (and sometimes no transform is ...
8
votes
1answer
2k views

Burpsuite accidental defacement, should I be concerned?

I was spidering a website with Burpsuite and the automated Form Submission caused me to unknowingly deface the main page with "555-555-0199@example.com". It took me a decent amount of time to notice ...
7
votes
3answers
2k views

Can we drop XP from HTTPS support? If not, when? [closed]

XP support was dropped by MS on April 8 2014, almost two years ago, but there are still many people who use XP for internet surfing. Also, there are still many sites like Google or Facebook who offer ...
1
vote
2answers
90 views

Does two factor authentication increase the attack surface?

Would adding two factor authentication to an application increase the attack surface of this application? I think it would, since by adding complexity the likelihood of a vulnerability in my ...
0
votes
1answer
67 views

Mobile apps social Oauth

I need to develop iOS and Android apps that should have to communicate with a server throught RESTfull API. Also I need to register and authorize user throught popular social networks like Facebook, ...
1
vote
1answer
59 views

Forcing response headers

I'm testing a particular vulnerability box since yesterday and I came with one rather strange problem that I didn't expect. Lets say a vulnerable web-application offer image file upload. The image ...
1
vote
2answers
104 views

Keeping user files secure while allowing a web-application to use the files

Short background I am currently in the process of designing a web-application where the user uploads some files to the server and then asks the server to do some calculations based on these files ...
5
votes
1answer
121 views

Detect man-in-the-middle on server side for HTTPS

Background: We have a site which works over HTTPS (HTTP not supported, we use HSTS). It's deployed in 3rd party cloud, which restricts our control and log abilities over server hardware. We cannot ...
3
votes
1answer
66 views

Sending a token with a request from one app to another

Say I have an application written in some language and framework (Python + flask, for instance), and have a great deal of the functionality requiring login, and authentication via JWT. Now I want to ...
0
votes
1answer
45 views

Block web content authoring from internet

In implementations where one uses content management, which is the better method to secure the web content authoring pages from access from internet? Configuring httpd.conf to restrict the content ...
1
vote
3answers
122 views

Why limit internet access while connected to a remote desktop?

I work in the nuclear industry, and sometimes we have some strange (but understandable) standards for information security. I have encountered one which seems odd and would like to know the potential ...
2
votes
2answers
49 views

If authenticated user tries to access a restricted resource

If a user with authorization to access Resource A, tries to access Resource B (by trying to follow a URL), which of the following is a better course? Take them to a standard Access Denied Page, with ...
1
vote
0answers
77 views

Approach for testing xxe injection

I have been discussing xxe injection in my web application,My web application allows expansion of user-supplied XML entities What i did : intercepted traffic using burp changed the request with ...
9
votes
2answers
2k views

When viewing my website from port 3306, I see some weird MySQL info

If I visit my web URL and force port 3306 (MySQL), I see a suspicious looking web page: Is this exposing any vulnerabilities for me? Should I block port 3306?
1
vote
1answer
56 views

Executing XSS payload when “http” is added to payload

I have a context where every special characters are escaped properly except ':' &'/'. The output is reflected inside <a href="payload" tag. 1 )When I set payload to javascript:alert()(which ...
4
votes
1answer
162 views

Pentesting Web Server for Remote File Inclusion

For educational purposes, I am in the process of pentesting a web server of mine(running on Windows) where there is a Remote File Inclusion vulnerability. I can already get simple things like command ...
0
votes
3answers
108 views

How secure is a server's .htaccess file?

Would access need to be gained to the server in question or can an .htaccess file leak information in some way?
3
votes
2answers
85 views

Use password to calculate checksum for API requests

I was wondering if it would be an effective way of securing an API by requiring all requests to be checksummed, salted with the users password (or a hashed version)? With securing I mean making it ...
7
votes
2answers
120 views

How can I implement a secure download area on a website which requires an electronic signature?

For quality management purposes, the company I work for would like a system which requires a client to read through a disclaimer and then provide an electronic signature, acknowledging said ...
-2
votes
1answer
94 views

Web application security vulnerability managment [closed]

Does anyone know of a way to manage Web application security vulnerabilities? Im looking for a tool that might integrate with selenium and or burp. I'm want to be able to run the tests over and over. ...
3
votes
1answer
108 views

Security of Web Game over WebSockets?

Project that I'm working on depends on WebSockets to communicate between the server and client browser for all interactions within the game. I'm attending university for Computer Security, but I'm ...
1
vote
1answer
71 views

Usablity vs security malicious file upload

We were designing a web application which has the functionality similar to vulnerability management, our web application functionality can be briefed as follows: There is a panel where one can ...
5
votes
1answer
94 views

Secure sensitive information sent from Server to mobile App

Okay, I have a rails backend server which is pretty much just a database server. The database contains information about different types of a substance, and that substance's confidential inherent ...
4
votes
5answers
247 views

Avoid unauthorized updating of online leaderboard php/sql [duplicate]

I am developing an offline web app (game) for android using cordova (phonegap). The leaderboard of the same is maintained online in my server. Currently this is how the leaderboard is updated Step ...
55
votes
7answers
7k views

Are there security advantages gained from forcing a website to be available from just one tab at a time?

I just found that a website of one Polish bank forces the users to open it in one browser tab only. You cannot for example check your transfer history while looking for an account number that you ...
-4
votes
1answer
40 views

Testing a Developed Web application - any tips? [closed]

I developed a web application mostly in PHP and JavaScript with a bit of AJAX. I do not have pentesting experience, but I like to try a few tools like sqlmap on it to see if I have any flaws in my ...
-1
votes
2answers
38 views

How secure are ActiveX based security plug-ins?

Sometimes I have to use web sites that use ActiveX security plug-ins. The websites say that these plug-ins 1. secure the authenticity of printable certificates 2. secure overall data sent back and ...
6
votes
2answers
105 views

If an RSS feed handles quotes and HTML tags incorrectly, can it be considered a security risk?

I'm trying to encourage an organization to fix their RSS feed, which has numerous problems with the way quotes and tags in the source text are displayed in feed readers. I'd like to be able to tell ...
6
votes
2answers
238 views

XSS via JSON: Why does a web application not sanitize either its incoming params hash or its outgoing JSON values of malicious tags like Script?

Recently working on a Rails-based web application for a company, I had to look into XSS vulnerability. It turns out that the application, in some places, could take an HTML tag (e.g., jscodehere ...
8
votes
4answers
785 views

When paying for something on line, is paying with a checking account less risky than paying with a credit card?

If I purchase something on line and am given the choice to pay with a checking account (also known as a current account) or a credit card, is the risk of my checking account data being stolen and used ...
1
vote
1answer
84 views

Secure communication between two REST apis

I'm building an application which stands alone for the most part, but which needs to access another system for private user data. What is a simple and safe method of securing that private data? We ...
3
votes
3answers
128 views

Is it safe for web application to receive and parse emails?

I am not sure, if this question needs to be narrowed down to web applications only, but that is my particular interest. Suppose a web application receives (retrieves from mailbox) emails, parses the ...
3
votes
2answers
106 views

Can the contents of a web page be protected from modification

We are developing an application sending highly sensitive data over the Internet. For this we use client side encryption so that even if an attacker would get access to our servers, the data could ...
4
votes
2answers
164 views

Passwordless website authentication scheme

I have a userbase which really isn't all that inclined to create a secure password for a website. They're also almost entirely on mobile devices, so I would like to try something a little different ...
10
votes
1answer
165 views

Using certificates to secure

I'm working on an application that comprises of a C# WebAPI (on Azure Websites) and a native mobile app. Essentially, a client creates a series of messages using a Web interface and these can be ...
4
votes
1answer
38 views

CSRF issues in “stateless” web app?

So I have developed a web application, which also has an API. API supports both GET and POST requests. The API is completely stateless, means nothing is stored or modified in a database/file when ...
3
votes
1answer
64 views

security of Cloudflare SSL certificate with other domains

I have a free Cloudflare account where I manage my domain (ie: mydomain.com) and I use the free SSL certificate (mode Full SSL) in order to get SSL on a subdomain (blog.mydomain.com hosted with Github ...
7
votes
1answer
71 views

Subresource Integrity versus signing

The draft spec for subresource integrity is straightforward: This document specifies such a validation scheme, extending two HTML elements with an integrity attribute that contains a ...
0
votes
2answers
122 views

What exactly is endpoint security?

Would someone explain what endpoint security is, exactly? What do companies like McAfee and Symantec sell with their endpoint security suites? I also would like to learn if endpoint security ...
0
votes
1answer
298 views

AngularJS - Can a response from an $http.post to PHP be modified?

I have an angularJS $http.post that sends username/password to a PHP file that then queries my database to verify a successful log in. I then return a JSON object back to angularJS in one of the ...
3
votes
2answers
72 views

How protect mobile website against encapsulating into rogue native mobile app?

We are developping a mobile application (m.website.com). Is there a way to prevent a rogue developper to build an IOS / Android native app that simply encapsulate our website into the app using ...
0
votes
1answer
157 views

Can someone tell me whether this is Cross-site scripting attack or normal log entry?

Can someone shed light on this logs . ****GET /list25/ADMN/Eligibility/EligibilityResponse.aspx ...