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

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3
votes
0answers
396 views

A Google owned IP address accessed my outlook account [closed]

Today I got a warning from Microsoft saying that there was unusual activity on my account. Diving deeper I saw that there was a successful sign in from a Google owned IP address (according to ARIN). ...
1
vote
3answers
1k views

will google detects tor browser?

Usually while we browse Google through our i.p we will be redirected to respective countries,i normally use tor browser for anonymity,today while i browse google i got redirected to ...
1
vote
1answer
35 views

make specially encoded template available for file uploads

A comment to this blog post at sans.org about secure file uploads suggests making a pre-formatted template available for users when they need to do file uploads. The user would use the template to ...
0
votes
1answer
122 views

Some queries regarding SQL injection

[I'm not really sure if I should be posting this on SO or here. I think my questions might be answered if I have had a good experience with MySQL. But, I don't. So probably, most of you will ...
9
votes
5answers
1k views

Ads appearing in our application when they should not be

I received a strange issue reported by one of my web application users. Apparently they are getting "ads" within the browser window when using my application. I didn't add advertisements at all. It's ...
73
votes
7answers
28k 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?
1
vote
1answer
150 views

Content sniffing XSS vulnerable browsers

In order to prevent Cross-site scripting (XSS) in a private web application that supports image upload, I intend to reject browsers that are vulnerable to content sniffing. Which browsers are ...
9
votes
6answers
4k views

Why is php not used for banking sites or for a banking transaction?

Other programming languages popular on the web, such as Java and .NET, are used for banking sites. However, I've rarely (if ever) seen a PHP application designed to be deployed for a banking site. ...
2
votes
2answers
148 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 ...
3
votes
2answers
623 views

Box web application security review - legality? [closed]

is it legal to do a security review/pentest of a web application that we bought and operate on our servers? Meaning, the whole infrastructure is ours + we bought a licence for the software. Can we do ...
10
votes
2answers
8k views

Why does Hydra return 16 valid passwords when none are valid?

I've been playing around with Hydra and DVWA and I've hit a bit of a snag - Hydra responds letting me know that the first 16 passwords in my password list are correct when none of them are. I assume ...
7
votes
1answer
96 views

What are the implications of publicizing a consumer secret for sharing between developers doing local website development?

In relation to this GitHub issue on the Gittip project (which turned out to be a false alarm), what are the security implications, if any, of hardcoding into the git repo a test app's OAuth consumer ...
-2
votes
3answers
148 views

How do I communicate security issues encountered on an online banking platform?

Occasionally, I've produced (and reproduced) the HTTP 500 Internal Server Error on an online banking platform - quite a famous one. I suppose the errors are due to bugs in back end code, possibly ...
2
votes
2answers
1k views

IIS Host Header Attacks

Is IIS and ASP vulnerable to the same Host Header Attacks we have seen on Apache and Nginx? Specifically the attacks that use the HTTP Host Header to reset a password or implement web-cache poisoning. ...
3
votes
5answers
302 views

Is there an access-control model defined in terms of application structure?

I'm working on the access control component of a complex web application. One of the goals is to have a strictly defined model for who can do what, but I can't find an existing model that meets our ...
0
votes
1answer
100 views

Tablet / phone app security in unsecured networks

Although reluctant to use my laptop on unsecured networks, I at least know that without me launching any processes or logging into certain web pages, that I will not be sending any credentials over ...
0
votes
1answer
169 views

BurpSuite: Anonymity

Are the attacks being performed using burpsuite detectable? If yes, how should we stay anonymous/secure while conducting web application reconnaissance?
8
votes
3answers
9k views

Does X-Content-Type-Options really prevent content sniffing attacks?

In Tangled Web Michal Zalewski says: Refrain from using Content-Type: application/octet-stream and use application/binary instead, especially for unknown document types. Refrain from returning ...
1
vote
1answer
109 views

Securing Javascript plugin

My company offers a Javascript plugin that is meant to be embedded with websites. It works in a similar fashion to Google Analytics, in which you add a bit of Javascript and then it does some magic on ...
3
votes
3answers
632 views

How to use my WiFi to inspect its user traffic and to run MiTM attacks?

As part of a security research, I need to make my WiFi open, and to inspect the traffic of the ones who connect to it. Additionally, I need to be able to change the content of the webpages they see, ...
0
votes
2answers
74 views

Can session data be manipulated without access to source code

When implementing a web-based application, how secure are any session variables against manual manipulation beyond the scope of my code? i.e. when a user is authenticated, if I were to initialise a ...
-3
votes
3answers
134 views

Hashing credentials. Is hash(email+password) secure enough?

I am working on a client server application where to identify each user I was thinking of storing a single database entry: hash(email + password) In my opinion, this is enough to stop some known ...
3
votes
3answers
233 views

Is web app safe in not public folder?

I'am wondering if it's really safe to use this structure of my web application. WEBAPP Application Controllers Models Views ... Framework ... ...
2
votes
4answers
196 views

Robots.txt and admin areas

I'm using some popular commercial forum software and to help secure the admin area more I have changed the name of the admin folder; however I was wondering, with regards to robots.txt if I go ahead ...
1
vote
1answer
91 views

Amazon Turk - How secure is it? Strange behavior

I just had this really strange experience with Amazon Turk, where suddenly I was logged into someone else's account. I was logged into the company's Turk account, left my computer for a while, ...
1
vote
2answers
197 views

Can you export a report from OWASP Zap based off a individual website?

I have a list of 30 websites I have scanned. I need to pull out a report for each individual website. Is it possible to do? Right now I am just running a report and getting the results for all 30 and ...
18
votes
5answers
1k views

Can you secure a web app from FireSheep without using SSL?

Assume that you want to give some web users privileged access to your website, but that you are unable (or unwilling) to offer SSL to all of them - at least past the initial login page. In this ...
3
votes
3answers
2k views

What is the exact difference between SAMLp and WS-Trust?

They seem to be similar on the surface, but I'm not sure how deep the differences are. Can someone explain to me the difference between SAMLp and WS-Trust? ADFSv2 gives me a choice between these ...
1
vote
1answer
122 views

Prevent CSRF using ViewState?

According to OWASP you can prevent CSRF in a ASP.NET application if you include the SessionID in the ViewState. From the article: Viewstate can be used as a CSRF defense, as it is difficult for ...
2
votes
2answers
181 views

SQL injection: real escape string function

example4.php?id=id=2-1 I came across the above injection and I can not figure out why(how) does this work and what's interesting is it returns all the records from the database. Anything guys? ...
3
votes
3answers
2k views

Malware infections from visiting or using YouTube

Is it possible to be infected by viruses or other malware while visiting YouTube? What kind of measures do the YouTube staff take to prevent viruses and malware?
0
votes
1answer
140 views

How does Shodan crawl internet-connected devices?

I wonder how Shodan crawls internet-connected devices and adds them to its database. I know Google, for instance, finds new websites by following links in websites it already found, but that strategy ...
1
vote
1answer
109 views

Web Application Authentication Using Computer Properties

Introduction: I am in the process of building a web-based game that requires user authentication. The vast majority of other gaming sites utilize the typical username/password method for ...
1
vote
1answer
140 views

Confused about the most relevant way to secure my APIs

I own a Javascript application (Single Page Application) hitting some apis from my own RESTful backend. What I expect for my authentication/(authorization) mechanism is three things: Preventing ...
0
votes
1answer
79 views

Is a properly configured server secure against unauthorized data access?

Take for example a game. Typically, when you buy or download a game that can be played offline, all of the data required to run the game is shipped with the executable. In order to protect these ...
6
votes
3answers
1k views

What's wrong with my own authentication scheme?

So I want to write my own authentication scheme for a web-app server, as follows. I assume this is a Bad Idea from either security or cost-effectiveness reasons and I know the conventional wisdom is ...
3
votes
2answers
995 views

Token authentication and storage / websocket issues

My application is running an API authentication that uses tokens rather than cookies. This leads me to ask a few questions : What is the most secure way to store the token ? By using random ...
2
votes
4answers
455 views

How to prevent users from downloading information from our search engine?

We have developed a search engine (simple search, no login required) where users can search details in the database (Apache Lucene) by entering their name (et. al.), then clicking the search button. ...
1
vote
3answers
52 views

Secure Custom Registration Links

I'm working on a website that allows a current user to invite another individual to be friends by typing in the non-user's email address. The non-user would then receive a custom registration url by ...
0
votes
3answers
150 views

Does this reflected XSS vulnerability pose any real threat?

I have a web site where users can enter some text into a textbox and that text is immediately rendered in a div using javascript (strictly front end). If a user enders something like this: This is ...
5
votes
2answers
583 views

Encrypt user data when they log in with Facebook, Gmail, etc

I made a login system. The user can login by: using a normal email / password (bcrypted). using a service like facebook, gmail, etc. So far so good. Now I want to store sensitive information (ftp ...
0
votes
1answer
54 views

Handling passwords in wicket

I have a form which contains a password field. In swing the getPassword() method returns a character array. After the password has been processed by my web application the array can be wiped to ...
18
votes
1answer
3k views

Guidance for implementors of HTTPS-only sites (Server side)

The recent trend in HTTPS attacks is to attack the HTTP protocol. What should I do to increase my site's security if the only protocol I want is HTTPS? Some easy to implement ideas are Implement ...
1
vote
5answers
173 views

Fixing large number of SQLi, XSS, RFI/LFI in a PHP application

I'm working on a website which was built few years ago in PHP and its riddled with vulnerabilities all over the place. Someone has already gained access to the admin panel and we want to secure the ...
2
votes
2answers
123 views

How to prevent popping up a login dialogue using a malicious hotlinked image and HTTP Basic Auth header?

While using Firefox to browse my forums, I noticed that a malicious user posted an image (via hotlinking, not by uploading to my server) with the extension .png which complies with the forum rules ...
1
vote
1answer
117 views

Is it illegal to publicly reveal security flaws in a service? [closed]

Mainly I'm interested in UK law on this, but I welcome input from any jurisdiction. I discovered flaws in a service that undermined the security of all its user's data. This is a service where users ...
8
votes
3answers
12k views

Is there any SQL injection for this PHP login example?

I want to write a login form, and I got one example from the web. I want to know, if there is any SQL injection for this code? If there is, what could the exploit's web form entry look like? This is ...
4
votes
2answers
166 views

Does allowing the <cite> tag create any XSS vulnerabilities?

Backstory: Stack Exchange's markdown parser allows a couple of HTML tags (a,b,i,img) through, with some restrictions on the attributes to prevent XSS. We're thinking of requesting the <cite> tag ...
-1
votes
2answers
294 views

After I downloaded Adblock plus on my computer, ads still popped up on youtube? What gives? [closed]

I downloaded Adblock plus on my computer, then went back to youtube (which was playing Vivaldi concertos), and all the ads were yet there. What gives? Is Adblock plus authentic?
85
votes
2answers
49k views

What is the difference between https://google.com and https://encrypted.google.com?

Is it there any difference between the encrypted Google search (at https://encrypted.google.com) and the ordinary HTTPS Google search (at https://google.com)? In terms of security what were the ...