security aspects specific to the Java programming language and libraries.

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Is a browser with disabled scripts and disabled java enough against malware

Is a browser like Firefox with disabled scripts (for example via a plugin like no-script) and disabled java enough to be protected against dryve-by-malware from the internet. Of course this does not ...
8
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2answers
4k views

safe to use jBCrypt and recommend it to my organization?

I'd like to recommend to my fellow developers that we all use bcrypt to hash stored passwords. We all use java and I hesitate to recommend jBCrypt only because its latest version number (0.3) ...
2
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1answer
546 views

How disable Java in Chrome 23?

Well in case someone doesn't know yet... there is a new Java zero day. I'm trying to disable it on Chrome but I can't find any option. Google searches says that the option for deactivate it is on ...
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2answers
427 views

How do I import a PKSC#12 private key into Java 5 (which may require PKCS#7)

I have a newer private key I have to import into an older server. How do I take a newer PKCS12 cert and import it into an older version of java that uses a different format?
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1answer
168 views

Client vs Server security for business critical application (crossplatform)

We have the option to develop a software either based on Java (but then it is only available for desktop clients using Java SE and can run maybe also as tomcat app can be multithreaded, stable, ...
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2answers
269 views

Security concern to implement a web based remote desktop

I am implementing a web based remote desktop application.Through this application client can connect to the server and can access the server using JSP/Servlet Java robot class. I can configure the ...
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2answers
2k views

How secure is opening an incoming port for a java application?

If a java application is listening on UDP port xxxxx and a firewall is allowing connections to that java application through the same UDP port xxxxx, what vulnerabilities will a Windows 7 machine be ...
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1answer
130 views

Manually monitoring your PC for Java (Oracle) exploits?

Sandboxing and AV's aside, if I wanted to manually look at/monitor my system for where they usually enter it, where could I look for possible malicious Java viruses/activity, e.g., would they first ...
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1answer
8k views

Encrypting data for Android mobile app

I am creating a mobile app for Android. This is my first mobile app by the way. I have decided to store data used in my app in a SQLite database in the target Android device. The data I am storing ...
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1answer
1k views

Are there any functional differences in the implementations of OpenSSL, GnuTLS, Java's TLS, and .NET's TLS?

Question Are there any functional (or detectable) differences between the various implementations of SSL/TLS? What are the differences between them? (e.g. which ones implement "False Start") ...
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5answers
6k views

How can I decrypt data with Java, without hard-coding the key?

I hope this is not a chicken-egg problem or reinventing the wheel but here goes. I have a Java application that needs to access a password protected file (actually during the application startup). The ...
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1answer
4k views

HQL injection example

Our developers left a surprise in handling user login. Namely: // java List users = hibernate.find("from Users where username = '"+formUsername+"'"; if (users.length==0) { return BAD_USER; } if ...
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3answers
481 views

Microsoft password strength checker

I typed in my password in Microsoft password strength checker website. Could it now be possible for someone to recover that password from my computer?
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1answer
470 views

Security announcement mailing list for Java

I didn't find a security announcement mailing list for Java (from Oracle). How to get notified about new Java patches? I am not interested in other Oracle products. For example Apple provides such a ...
3
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2answers
378 views

Secure Spring FrameworkUser Management

I got asked this question: "Any decent reusable / plug-able Spring user management systems (registration, change pwd, reset etc)? How do you guys do authz in Spring, including managing those roles ...
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3answers
1k views

Are there any established mobile security frameworks or secure coding guidelines available?

I am looking for security frameworks and secure coding guidelines especially for mobile devices (Android and iOS). The languages I am interested in are Objective-C, JAVA and HTML5. If there are no ...
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4answers
6k views

Any useful tools for Android source code review? [closed]

I'm wondering if anyone has some recommendations for Android source code review which is Java based. For example, reviewing an Android app for security issues. Bonus for being F/OSS. Fortify seems ...
4
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2answers
7k views

What password-based encryption to use with standard Java 6?

Which password-based encryption method should I use in Java 6? It should be as strong as possible, but work with the default security policy file (not the export restricted one which you have to ...
3
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2answers
2k views

Java Applet for mutual authentication with smart card

I need to develop a java applet, for a mutual authentication between Tomcat 6 (server) and a SmartCard "IDGo 300" (client). In order to do this I thought the following scheme: 1.Tomcat (server) send ...
3
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1answer
468 views

Are OpenJDK and non-Windows systems vulnerable to the Sept. 25th 2012 Java vulnerability?

I have heard of this vulnerability, but although it was announced on the Full Disclosure list, it does not provide any details (other than a severity assessment). Does anyone have more info than me, ...
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1answer
5k views

How do I use OpenSSL with the Java Keytool?

I believe I understand how OpenSSL works, and I believe I have a good game plan for setting up an SSL server on my private network, but before I go through the process of downloading and configuring ...
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3answers
392 views

Java class type parameter vulnerability

In a Java programming book there is a section that details the JVM and memory addresses and location as it pertains to parameters of a class type. As you can see from the console output the initial ...
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1answer
1k views

Exploiting tomcat's vulnerability CVE-2009-2693 Arbitrary file deletion and/or alteration on deploy [closed]

For some tests, I want to exploit tomcat 6 vulnerability CVE-2009-2693. You can see it here http://tomcat.apache.org/security-6.html I am trying this with insecure web application of OWASP. I made ...
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1answer
1k views

Is there any recommended Java library for penetration testing?

Does anyone have any recommendations for a good Java library which can be used for penetration testing? I once read about a library which I think was called 'Attack lib' but I can't find it anymore. ...
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2answers
4k views

How should an application store its credentials

When developing desktop applications, you will occasionally have to store credentials somewhere to be able to authenticate your application. An example of this is a Facebook app ID + secret, another ...
4
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3answers
878 views

Vulnerable java applications

I am looking for some open source/free vulnerable JAVA based applications. It can be web application, desktop application or any other. I need them to do some experiments in my research work. They ...
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2answers
4k views

Storing password in Java application

What is best secure way to store passwords in Java web application? I am not talking about password to the DB, so it must be stored in de-cryptable way. It’s cloud environment and I need to protect ...
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3answers
885 views

Java vulnerability applicability

On a server running Java, can a JRE vulnerability be exploited even in cases where the named subcomponent is not used by the application? See CVE-2011-3545, for which the vulnerable subcomponent is ...
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0answers
137 views

Need a little help with Metasploit and Java? [closed]

I'm a junior programmer and i was asked in my job to test java using metasploit... I followed this detailed environment: ...
8
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4answers
1k views

Are Java applets more secure than regular forms for login?

In Norway we have something called BankID which is a login solution for banks and other stuff. It consists (from a users point of view) of a Java applet where you enter your SSN (person number), a one ...
3
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2answers
998 views

Hide web.xml file from public view

I have found a vulnerability in a sun java application where the web.xml file is publicly viewable as the application is not using any .htaccess nor web.config. I don't how to restrict. I tried with ...
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1answer
560 views

What security concerns exist in running a glassfish app directly on port 443

I have installed Apache http server in front of glassfish based on recommendations i had in this question. I have been told that i will run into performance problems along with security issues. I was ...
2
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1answer
450 views

Security at writing in a folder

I would like to run with Runtime.exec() programs in Java (the programs' code are in C and Java ) - the users are uploading the Java/C code, and my app runs them. The code is saved in a separate folder ...
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1answer
523 views

Network Sniffing Java Applet Authentication

Example, I have a java applet application, then this application is accepting userid and password as authentication. Can I sniff the userid and password on the network layer? Are the credential being ...
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1answer
3k views

How to select /dev/random or dev/urandom in the code in Android?

When generating randomness using SecureRandom in Android, I want to select /dev/random or /dev/urandom as the seed source. It can be done in java.security file on Linux and Windows systems but there's ...
2
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1answer
395 views

Is DWR (Direct Web Remoting) Secure?

Is DWR considered secure, or what may be required to secure Direct Web Remoting? Are there better options for hardened asynchronous communication?
2
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4answers
2k views

Bouncy Castle - document signed by sender and only readable by receiver?

I am building an application that requires secure data transfer. In particular, the sender has a data file that needs to be sent to the receiver. It is required that only the receiver be able to read ...
5
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2answers
878 views

Class.forName injection and constructor invocation

If a Java-based webpage takes a user-supplied parameter and instantiates an object using Class.forName(parameter) What's the worst possible consequence? The attacker does obtain stack traces. After ...
3
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1answer
289 views

Multibyte Character Exploits JSP/PostgreSQL

I am trying to secure a web application, written in Java/JSP and running on PostgreSQL, against SQL injection. I ran into this very interesting answer, which refers to PHP and MySQL. Is there any ...
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1answer
675 views

Best Practices for Storing Digital Certificate

I'm building an application where certain sensitive files need to be digitally signed before being stored in the file system using ASN.1 encoding, so they can be verified against a digital certificate ...
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1answer
144 views

DoS and Serialization

I got the following message from Fortify static code analyser. Incorrect serialization and de-serialization can lead to unpredictable behavior and cause denial of service attacks. Can anyone ...
5
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0answers
13k views

Getting started with OWASP ESAPI + JavaEE - simple TestProject [closed]

This question was originally asked on stackoverflow I hope that here in this Security forum I find more people because hopefully some people are using the esapi stuff? I have a little JavaEE ...
3
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2answers
2k views

Secure communication between C# client and Java server, using certificates

I want to secure communication between simple C# WPF client and Java server. Now i have already implemented raw sockets communication, and my security is based on: server send RSA public key to ...
3
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2answers
1k views

Securing a Ubuntu system on Amazon Web Services

I'm in the process of setting up a Ubuntu server on Amazon Web Services / EC2, which will need to host the following: A relatively simple Java-based website (using the Noir framework) A Java-based ...
1
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1answer
788 views

PAP and CHAP implementation using Java

I want to implement PAP and CHAP based authentication in my Java project how can I implement ? is there any API available in Java for using that protocol ?
3
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1answer
3k views

Storage of 'secrets', keystores, HSMs and the rest

I've been digging for the past few days into storage of sentitive data. If I store this data in a database, I believe the general accepted practice is to store sensitive data encrypted, for various ...
4
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3answers
3k views

Reverse-engineering one-time passwords for two-factor authentication systems

Given a one-time password generator that is time-based (such as Google Authenticator), how many instances of (time, PIN) pairs would one need to significantly weaken the algorithm to a point where one ...
3
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4answers
622 views

Base64 conversion for byte array in encryption

I am using ECC algorithm for security. Now the concern is I am placing the data in web page after encryption of the data in hex format and transmit to server and then it decrypts the data, but when I ...
3
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1answer
496 views

Best security algorith for storing passwords [duplicate]

Possible Duplicate: Which password hashing method should I use? I want the best cryptography algorithm for storing passwords in database, which one should I use and how can I implement ...
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1answer
1k views

How to best authenticate a desktop client with a scaleable backend via SOAP / REST service?

I'm trying to find a solid architecture for authenticating users against a database. I have a game client, which I plan to serve up a request with. The transport doesn't really matter, but at this ...