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

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2
votes
1answer
118 views

Is there a way to report IP addresses scanning for Exploits?

We're currently running a web site using .NET, and I'm using the Elmah package to look at some errors and issues in real time. I've noticed that there are a number of errors in the log from IP ...
0
votes
1answer
119 views

Fuzzdb detected as Trojans [closed]

I recently downloaded fuzzdb from http://code.google.com/p/fuzzdb/ and my antivirus kept on detecting some of the files as Trojans. I need to know if these files are safe?
1
vote
1answer
149 views

WordPress Private Expoit? [closed]

I have a friend who said he has a private exploit for all WordPress ran websites. I asked him to take down my private blog, to see if it is real. He couldn't do it. I tried to get some more ...
2
votes
4answers
1k views

Malicious code in image. Harmful?

In my website, a user can upload his profile picture. After analysis of some pictures, I have found some pictures with malicious PHP code, just like the upload script. As an example, I have found a ...
1
vote
2answers
106 views

Is checking against password lists a good way to enforce a secure password policy and possibly detect dictionary attacks on a web-based app?

I have written a script to check a given password against a ~65 million long list of passwords collated from various lists released after hacking attempts. I am thinking about incorporating it into ...
2
votes
2answers
248 views

How do I Mitigate Directory Traversal when User-Supplied Input is a Mandatory Business Case?

I have an instance where we have an application that requires the ability to set up sftp commands that are specified by administrative users. They are configured through the front-end of the ...
21
votes
9answers
2k views

Is a web application firewall necessary if the application is secure?

Recently I've been reading about Web application firewalls and the fact that they protect against most frequent attacks like injections, XSS or CSRF. However, a good application should already be ...
1
vote
1answer
118 views

Review of approach to client-side only hashing and encryption for web application

Background: I have little knowledge of hashing and encryption, so please bear with me. I have posted a related question here: ...
2
votes
1answer
3k views

SqlMap bypasses OWASP ModSecurity Core Rule Set for SQL Injection

I am trying to perform a simple penetration test on the DVWA (the web application that has been specifically designed to be vulnerable to some of the most common web application attacks). I want to ...
6
votes
1answer
254 views

Isn't a HIDS, NIDS and WAF complementary?

Assume this scenario: Someone trying to hack a website. Simply put: www.site.com/example.php?=<script>alert(1)</script> A HIDS would see this attempt in Apache's access log, a NIDS would ...
5
votes
3answers
188 views

Separation of secure login steps

I'm redesigning a login screen for a financial services application. Currently, this requests user ID and password, then (on the same screen) 2 digits from a 6-digit PIN are requested - these 2 digits ...
4
votes
2answers
167 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
vote
1answer
117 views

Is this where a nonce comes into play?

I'm reviewing a website a friend developed, and was looking for general errors and concerns. In reviewing I noticed he is very heavy on ajax calls using JSON to a RESTful API that he maintains on a ...
3
votes
2answers
241 views

What are the benefits to a two-page login system for a webapp?

I have noticed many website going to a two-page (not two-factor) login system - where you enter your username on page 1 and click submit, and then enter your password on page two and click submit. ...
2
votes
3answers
583 views

Is there a way to exploit unused GET POST parameters in web application?

So there is an application that accepts some data from the outside. Assuming that it accept only finite number of different POST/GET parameters and the application is correctly handling all the data ...
0
votes
2answers
149 views

understanding and getting over the SSL performance issue

There are many great articles explaining how SSL/TLS works on this site, but I would like to bring in the performance issue. The thing is that I am serving my web content over HTTPS and the SSL ...
1
vote
1answer
696 views

File upload vulnerability

I am trying to pentest a webapp challenge. Is the following control code vulnerable to file upload? I would like to upload a php shell... I am able to upload shell.php.jpg file but I receive the ...
1
vote
1answer
140 views

Can anyone explain how to use an X509 client certificate to securely authenticate a user?

Bit of background. Web Application that can generate Pub/Priv Keys and X.509 certificates. How would I make use of the certificate in a web application, username and password login form to provide ...
1
vote
1answer
231 views

Have I done enough not be compromised through image uploading

I know that you can never be sure that you have done enough to be secure, and I also know that file uploading is hard to make correct. Before asking this question I read some of the related posts here ...
0
votes
0answers
40 views

Storing hashed or encrypted password in session? [duplicate]

I need users to be able to encrypt and decrypt without entering their passwords every time. One way is to store the hashed password in session, and use it for encryption and decryption. Problem with ...
1
vote
1answer
264 views

why gmail's phone verification code not encrypted

while using google's phone verification code system, i have noticed that google phone verification code is always 6 digits cant it be brute forced for randomly generating the 6 digits?is it there any ...
0
votes
1answer
84 views

Credit card data [closed]

I want to scan files for is there any credit card information.I searched for find good product. I used this application card recon Is there any similar product like that for find credit data ...
0
votes
1answer
204 views

False Positives- Server side protection against XSS

I read about XSS attacks and its prevention mechanism on server-side. It seems only protection is to sanitize the input by escaping special characters on server side (Using some PHP functions such as ...
1
vote
0answers
88 views

Checklist for securing JBoss

Is there a security checklist for auditing JBoss configuration files ? CIS and DISA provides security checklist only for Tomcat and Apache server. Is there any other ressources ?
0
votes
1answer
67 views

Security design behind google's application specific password [duplicate]

When using Google's two-step verification with services that can't use it, such as mail clients on smartphones and desktops, the solution is to create application-specific passwords for those ...
2
votes
2answers
507 views

Data protection laws and regulation for storing IP addresses for registered users [closed]

I have a website, large amounts of this site can only be accessed if the user logs in. I would like to use the users IP addresses as a means to determine where they are when they access certain pages. ...
0
votes
1answer
286 views

Potential problem in public Maven repository

Problem This morning I found that, what I thought was one of our proprietary artifacts, had been published to a public repository: http://repo.grails.org/grails/simple/codehaus-cache/com/ If you ...
0
votes
1answer
63 views

Is it reasonable to use a security proxy when integrating two web applications?

Background: We're in the process of integrating two web applications. The other one, application A, is a publicly accessible Internet service, which is provided by a third party and which offers Web ...
9
votes
4answers
278 views

What are the main security considerations that must be taken into account if you intend on creating a (localised) whistleblower website?

Also: Is it something that can be achieved with limited funds? I ask because I am intrigued by the obstacles that are in place.
1
vote
2answers
68 views

Preventing interaction among web application on a shared hosting account

I have multiple web application installed in separeted directories in a shared hosting account. My worry is if one application get hacked, attacker can use it to attack other applications too. So, My ...
0
votes
2answers
442 views

Is SSL a mitigating factor for HTTPonly not set on cookies?

I have a few sites that are using HTTPS (no mixed mode HTTPS/HTTP). The cookies do not have a HTTPOnly flag set. They do pass along session IDs. Also some of the sites do not have a "Secure"flag set ...
0
votes
1answer
126 views

Starting out, where should I be looking for vulns? Big bounty sites vs. smaller projects? [closed]

I'm an amateur web application security enthusiast with what I would say is an intermediate level of knowledge at this point. I'm interested in finding full time work as a web app pen tester. Up ...
1
vote
2answers
89 views

Any vulnerabilities in allowing users to choose path of S3 file?

I'm building a web app that uses S3. In some of our operations, we're creating a file on S3 with a path that's directly dependent on user input, so an attacker might cause a file to be created on S3 ...
0
votes
1answer
225 views

XSS attack vector without forward slash?

is there an XSS attack vector that allows the inclusion of a external .js file without having to use forward slashes? let's say the path of the file is somewebsite.com/js/xss.js Is there a way to ...
1
vote
1answer
83 views

What makes it difficult for Facebook to implement restriction/ACL for accessing uploaded photo? [closed]

Facebook claims to allow restrict sharing to friends, certain network, or even custom when I upload photos. But it appears that this security is only in effect for the page where the photo is ...
0
votes
1answer
58 views

Security implications of putting virtual hosts source code in /var/www/[domain]

A friend pointed out that putting virtual hosts as sub folders of the default /var/www was a bad idea. (linux example path; this applies to all OS) I see that it's possible to reach the virtual hosts ...
0
votes
1answer
41 views

How could a comments plugin be securely loaded from domains people are already logged into?

The fundamental idea is to load a blog comments plugin (like Disqus) from a domain someone is already logged into to save users time and increase engagement. I like the facebook comments plugin ...
0
votes
2answers
213 views

Is it possible to modify a support .js file in a web application by injection?

Let's say there is a web application needing a JavaScript support file .js to be loaded in the head of the html document. <!DOCTYPE html> <html> <head> <meta ...
1
vote
3answers
1k views

NGINX Hacking Attempt

Every time I start my test-server and let it run for some days I get this in my log-files (in different variations): 111.241.26.165 - - [18/Feb/2014:22:16:45 +0100] "\x04\x01\x00\x19\xCBER!\x00" 400 ...
1
vote
1answer
823 views

Trying to reproduce a file upload compromise on Joomla

After telling my workmates and boss that we had a very critical lack of security controls, finally we got compromised! They had a Joomla 1.5 which was exploited using a file upload vulnerability. WSO ...
0
votes
0answers
25 views

Deliberately-Vulnerable webapp for security education [duplicate]

A year or so ago I was playing around with an apache webapp I found that was designed for web exploitation practice. It was simple to use, I just downloaded the file, unzipped it, and placed it in the ...
1
vote
1answer
421 views

Hydra gives wrong passwords

I've been trying to use hydra (educational way) but with no success. The site method is http-post but performed by ajax (should it be a problem? I think not). After execute the command I got an output ...
0
votes
1answer
147 views

Removing Unnecessary Services & Packages in a MySQL Ubuntu 12.04 Server [closed]

As part of hardening a MySQL 5.6 server running on Ubuntu 12.04 LTS, unnecessary services and packages will have to be removed. For a server that is serving only as a MySQL server, what services and ...
1
vote
2answers
139 views

Is Temporary XSS a Problem?

I use a site on a regular basis so I wanted to make sure it was secure. One of the things I checked was that when I changed my first name to <img src="http://blah.blah/blah/blah.notanextension" ...
4
votes
1answer
720 views

Does it make sense to implement OAuth when no 3rd party is involved

I own a REST API at server side and a distinct web application that would call those APIs. I want to secure my APIs calls. After some reading, I want to implement the OAuth 1.0a mechanism at server ...
1
vote
3answers
73 views

Why pull upgrade from production server rather pushing them from development server?

I am reading a book on security which suggest that if you have both development and production server and if you make some change, you should pull them from production server rather pushing them from ...
1
vote
3answers
107 views

Make firewall management public?

A friend of mine installed a new firewall software at his company. Sometimes he works from home, and also has to maintain the firewall. The firewall management software is a web site. My friend made ...
2
votes
1answer
169 views

Current industry standard key management solution for web app on linux host

The scenario: Data is sent to an application server and you want to selectively encrypt some data before sending it to a DB server for storage. All servers run some linux distro. This is a relatively ...
6
votes
1answer
92 views

Design a webapp that uses OAuth, but with tokens that can't be used by the operator?

I'd like to make a webapp that would allow users to OAuth with Stack Exchange, so that they can perform actions like voting through the app. I'm stuck at one point, though: I know how to perform ...
9
votes
4answers
498 views

Does my UI need to be secure if my API is?

I'm working on a project that is creating two new, separate web modules (possibly even on different servers) to support a new web application, with one serving up a static JS-based UI and the other ...