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

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-1
votes
1answer
73 views

Is VBScript an actual tool to attack users?

While I was reading a ASP.NET book I found that is supports VBScript but this made me think if VBScript is still a tool of hackers to attack other users, I guess only Internet Explorer users, As I ...
1
vote
0answers
55 views

Logging in from one CMS to another

Two websites with different CMS, user should type login & password on one website and needs to be logged in second website automatically. Now i have this method, it works but i want to know - is ...
0
votes
3answers
251 views

What is the most secure way to save user authentication: Cookies or Session Variable?

I'm developing a web application that is basically for all our employees. Right now we have 3500 employees and all of them will access this web application. All of them will use really confidential ...
2
votes
1answer
72 views

Use the server's key to digitally sign the HTML content it delivered?

Is there any way to prove that a HTML page was delivered to my browser, and not modified in any way, after it was delivered over TLS? I need to prove integrity, and authenticity of the sender, ...
1
vote
2answers
152 views

Which unicode (control) characters should a web app (not) accept?

THIS IS NOT ABOUT XSS Threat: Mallory enters control characters in a public web application text field that other users might use in a terminal program (via copy+paste or by running a script). ...
3
votes
2answers
180 views

How secure is MD5 for TLS message authentiaction?

I was recently viewing a website and saw its certificate info as follows: Given that MD5 is badly broken and not recommended for hashing, how good is it for use in TLS? And why?
1
vote
1answer
402 views

How to bypass XMLHttpRequest header protection for a CSRF attack

A client is only submitting forms using XMLHttpRequest with the use of a header (X-Header: [any value would be correct]) to protect against Cross Site Request Forgery attacks. I know this is not the ...
12
votes
3answers
3k views

Is it dangerous to show all the JavaScript functions in my web application? [duplicate]

Right now I'm developing a web application and it uses a lot of JavaScript functions so I'm putting all of them in different JS files to access from the HTML, but the functions are "easy readable" so ...
1
vote
2answers
181 views

How to keep database record secret even from developer having access to it?

Imagine a web-based email app, such as GMail. The email should only be readable by the sender and the recipients. No one else, including the developer having access to the database server or ...
3
votes
1answer
291 views

Is my server being used as a proxy or being attacked?

I have an Ubuntu, Apache, Passenger, and Rails 4 project on AWS EC2. I am a beginner full stack developer and am unfamiliar with the security and server side of my project. Recently, my site was ...
2
votes
1answer
51 views

Secure the config file of a service

I have a service running on a linux box, started with upstart, that runs as user "the_user", it has to read a config file. Having the file owned by root would make things more secure, but would ...
1
vote
1answer
99 views

How can I tell if a user is access website with a forged IP?

there is a username (USERX). It's a suspended user. It it appearing in my user login files. It always appears in the middle of someone elses attempt (USERA) to reset their password, and WITH USERA's ...
2
votes
5answers
489 views

Software Testing vs (Web) Penetration Testing

I would like to ask about the differences between Software Testing and Web Application Penetration Testing. I am aware of usage different tools in both disciplines Software Testing (JIRA/Selenium) ...
1
vote
2answers
894 views

How to exploit Open Redirect Vulnerability?

Redirect/Forward attack code: <?php $redirectUrl = $_GET['url']; header("Location: $redirectUrl"); ?> exploit (Sends user from your page to evil page) : example.com/?url=example.com/faq.php ...
2
votes
1answer
87 views

Suspicious GET request parameter list? [closed]

Is there a public list of common suspicious GET request parameter ? I mean - SQLi, Command Injection, Admin access etc. I am interested in such list, to be used to detect suspicious GET request in ...
3
votes
2answers
106 views

JKS - Keystore protection and configuration file

It appears that Java Keystore is often used by web server using a configuration file, with the password opening the JKS written in it and also the password protecting the specific entry. How could ...
1
vote
1answer
144 views

“It is safe if only Port 443/HTTPS is accessible from Internet!” Is it? [closed]

I was in discussion with a vendor to implement a backup solution and as flexible as most cloud applications nowadays, it needs to be access from anywhere on Internet without VPN or any special ...
0
votes
1answer
200 views

Java desktop app vs web service [closed]

I currently have a desktop app written in Java (Swing) which talks to a C-based backend over SSL. I am trying to understand the pros/con from a security perspective to move to a web service model. ...
0
votes
2answers
167 views

Is this the most secure encryption/hashing system? [closed]

I've been doing some research regarding password security and after reading several topics and the Kerckhoff's principle. I came up with what I believe is a really secure system regarding online ...
43
votes
6answers
6k views

Should I be concerned if my website throws stack information?

I have a simple login form on my web page and the URL looks like this: example.com/signup/signup.php?q=1 If I try something like this: example.com/signup/signup.php?q=1&() I'm redirected to ...
2
votes
1answer
120 views

How to pen-test RAP applications

Has any of the readers here got experience with pen-testing RAP (Remote Application Platform) applications? I am particularly interested in testing on input validation. A cursory research at google ...
-2
votes
2answers
133 views

Is it illegal to access a public file that contain private information? [closed]

There is a website that I was testing to see if they have any vulnerability. To my surprise I found that one of the folders, like /docs with index of /, and they have a file that will contain all ...
1
vote
2answers
377 views

XSS when some keywords are prevented on the server side

When I scan website with burp suite pro, I encountered a XSS. This XSS is <a b=c> When Burp suite test other payloads that contain keywords like script, alert, onerror, this parameters ...
1
vote
2answers
102 views

security concern of user submitted bash command

Recently I am building a web service that user input will be used to run a bash command on the server side. What are the security problem I need to take care? Right now I find one that user could ...
0
votes
2answers
95 views

Would Insecure Direct References and SQL Injection be solved by using Row-Level Security and Per-User Connection Strings?

Regarding the following OWASP Vulnerabilities: Insecure Direct Object References By that I mean letting someone see /account/123/not-theirs (this could be the wrong reference I'm using above). SQL ...
1
vote
3answers
136 views

Trouble understand login vulnerabilities

I'm testing my own web page with the following vulnerabilities. #1: Form escapes ' to \' So if a user tries to enter the following information: username: 'or'1=1 password: m username will ...
3
votes
1answer
209 views

At what criteria should an unpatched machine be considered hacked? [closed]

Since every machine connected to the Internet requires security patches, there is a window of time in which those updates have been released and those machines haven't yet been patched. It is ...
1
vote
1answer
94 views

What is the safest way to encrypt a password that can be decrypted at a later time?

In a web app I'm building, I need to use Apple's AutoIngestion tool for iTunes Connect. In this tool it seems the only way to use it is to send a password in plain text. What would be the best ...
-1
votes
1answer
74 views

Custom TLS in Browser [duplicate]

We are developing a JSF web application that has a main requirement of using our own TLS implementation (custom algorithm suites). The clients will connect via a browser. Is there any way (customising ...
0
votes
1answer
160 views

How does a reverse proxy change the security posture of a web server residing in the DMZ? [closed]

How does the reverse proxy change internal and external security posture with a reverse proxy compared to not having a reverse proxy? For example, you have a publicly accessible iis server, what is ...
0
votes
2answers
86 views

Contact form without validation

one of our web page is a contact form eg name, email, and a textbox for sending comments. It seems like if we leave all of those text fields blank and click the submit button, it still went through ...
4
votes
4answers
600 views

How strong is visualCaptcha?

I like the user interaction of visualCaptcha, but I'm questioning the amount of protection it gives: Since there are only 5 images (by default), isn't is simply a matter of 1 in 5 to get the right ...
2
votes
3answers
152 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 ...
1
vote
1answer
175 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
4answers
240 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
vote
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
votes
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
390 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 ...
0
votes
3answers
176 views

Restrict website access

I want website (A) to only work if a visitor came by clicking a link from a specific other website (B). Initially I thought of using the document.referrer from website A to check whether website B is ...
1
vote
2answers
297 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
91 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 ...
2
votes
1answer
234 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 ...
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 ...
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? ...
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 ...
4
votes
3answers
524 views

Do WebGoat style XSS attacks still work?

I am going through the WebGoat exercises, to refresh my knowledge of XSS attacks. Specifically, I am doing the Stage 1 XSS exercise. This exercise has a form that deliberately does not sanitize ...
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 ...
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 ...
2
votes
1answer
81 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?