security aspects specific to the Java programming language and libraries.

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170 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. ...
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1answer
79 views

What are the consequences of not upgrading to the latest version of java?

Suppose I need to convince someone to upgrade to the latest SDK version of Java? I have heard there are many security vulnerabilities with old versions of java but can't find anything that concretely ...
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2answers
85 views

Is it possible to run an encrypted java environment?

I've seen that virtual machines in virtualbox or VMware can be encrypted so that no one on the outside can access the disk, ram or CPU cache since the entire hardware is emulated and encrypted too. ...
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1answer
409 views

extracting JSESSIONID from document.cookie

I was trying cookie stealing on a java and spring based web application. Normally, a cookie can be obtained through <script>alert(document.cookie)</script>, but in the above code, cookie ...
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1answer
58 views

Why do people trust PlayFramework2 dependency management?

If you worked in a big company that was very security conscious, would you build a product based on PlayFramework2 underneath? Since it does automatic dependency resolution at load time, aren't you ...
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1answer
885 views

SQL injection is possible but selected queries not working

I'm black-box testing an application which uses java spring framework and MySQL in the back-end. When I insert a single quote (') in a text box field, the server returns a HTTP status code 500 ...
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2answers
457 views

Anti Virus Intergration

we have found an issue with some production systems that the Anti-Virus causes the program to become slow a lot of the times and generally interferes with the activity of our software. Now as far as I ...
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1answer
471 views

Can SHA-1 PRNG still create secure cipher keys?

I am concerned that a SHA-1 PRNG cannot produce an AES-256 cipher key with the expected 256 bits of security, or indeed any secure cipher key where over 165 bits of security are expected. The SHA-1 ...
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1answer
569 views

Can Veracode detect vulnerabilities in jsp files?

We have chosen Veracode to perform security assessment of our JavaEE code. We have been performing white-box security testing using Veracode. As I am quite new to Veracode, I was surprised to find no ...
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3answers
59 views

Security RESTful web application in Java

We are developing two web applications: Application A : Restful web-services running on a GlassFish Server . Application B : Dynamic web application running on a Tomcat Server . I am accessing ...
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2answers
49 views

encryption protection against lost password

Here is a plan I am thinking about. I haven't seen this proposed, so I thought I would ask about it. Threat we are guarding against: A lost or stolen laptop leading to exposure of sensitive ...
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1answer
88 views

What factors make Android app code vulnerable to Cross-Site Request Forgery attacks?

According to techtarget.com Cross-Site Request Forgery is: a method of attacking a Web site in which an intruder masquerades as a legitimate and trusted user. An XSRF attack can be used to ...
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2answers
224 views

What makes an Android application vulnerable to SQL Injection?

Definition of SQL Injection SQL injection is a code injection technique, used to attack data-driven applications, in which malicious SQL statements are inserted into an entry field for execution ...
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1answer
126 views

Signature Based Malware Detection

I am developing software for detecting malware based on signature, in Java. I have researched a lot for the approach to move ahead. I found that the basic idea is to store the existing malware ...
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1answer
99 views

Drive By Download Without User Interaction

Is Exist any kind of drive by download (in Java maybe) without any user interaction, because when you make a drive by download in java in general a popup appears to ask some permission to the user ...
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1answer
104 views

CSRF Guard - Can it protect service call also?

I'm implementing CSRF guard in my web application. I have done all the required configuration and I can see token getting generated/injected into the request header. Let me tell you application's ...
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1answer
286 views

How come PBEWITHSHA256AND128BITAES-CBC-BC violates the 128bit key limit?

In my Java application (which use StandardPBEStringEncryptor by jasypt), when i use the PBEWITHSHA256AND128BITAES-CBC-BC algorithm instead of something weaker such as PBEWithMD5AndDES, i get an ...
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2answers
972 views

What's the best way to authenticate an user using a websocket?

I'm creating a multiplayer game(based in websockets) which runs directly from the browser and which has multiplayer functionality. Each player needs to have his own account(Username and password). ...
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1answer
576 views

ShellShock vulnerability and Java Web Applications

I am running a java webapplication ( Spring 3.2 based) on linux hosts. The linux hosts are vulnerable to the ShellShock vulnerability. Can someone exploit this vulnerabiity on my website ?
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2answers
335 views

Can we hide a constant hashed key used for AES encryption of a password?

Are there any methods in java to hide a constant hashed key which is embedded in a class? FYI, the key is used to AES encrypt a password used to authenticate a Web Service which would only take a ...
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1answer
206 views

Dump SSL traffic from a Java applet

I have a smartcard that can be read by websites using a Java applet (see http://www.springcard.com/online/applet_pcsc/). I would like to monitor and is to replay packets going from this java applet to ...
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1answer
946 views

What is the risk of installing Facebook Video Calling jar file?

I'm trying to talk with somebody on Facebook, but after many Facebook privacy scandals, it's a big question. Secondly on OSX, it's giving me the error that “FacebookVideoCalling_v1.6.jar” can’t be ...
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1answer
124 views

Is it Possible for a Java Applet to Record Cursor Movements Inside the Applet? [closed]

I am using my mouse to interact with a Java applet in a browser. Clearly the party that owns the Java applet can record where I click inside the applet. What I'm wondering about now is whether it is ...
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1answer
73 views

Executing external process from Java security

What are security implications of executing external processes using Java ProcessBuilder/Process? Example: Runtime rt = Runtime.getRuntime(); Process proc = rt.exec("processExecutable"); InputStream ...
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1answer
102 views

Private and public key need to have same algorithm?

The private and the public key from the cert must have the same algorithm, correct? EDIT: Yes of course pub / priv are a key pair. So this code would be legal, to be more flexible (e.g. ECDSA or DSA): ...
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1answer
277 views

Auto deploy war file (backdoor/shell) to particular folder [closed]

I am in the midst of a pentest. I have managed to uploaded a war shell (backdoor) in c:\test\ which is automatically deployed in a folder, for example c:\test\tmpbrowser.war. The application which I ...
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1answer
136 views

How to modify a certificate using getTBSCertificate() method

I want to show that if I modify one bit or byte from a given X509 certificate the signature verification results false (because this modification results different hash value from the certificate). ...
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1answer
486 views

what freeware tool for java source code review? [closed]

I need freeware tool for source code review for my application which used WebSphere Portal and Java as technology. Please provide me relevant information or links regarding this.
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1answer
1k views

Java SSL factory connection to SSL server (with just public-key and certificate)

I am trying to connect to a SSL web server. We currently have a pkcs12 file and connect, that is our private-key and certificate. Is it possible to connect using Java code with a public-key and ...
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1answer
1k views

How do Java applet exploits work? [closed]

Browsers store web pages in a local cache on the client's machine. How does a hostile Java applet exploit this information to gain more privileges than it is entitled to? My understanding is that a ...
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1answer
75 views

How esignature verification process work?

I have a web application in which the users will be signing an html report. I know how the digital signature authentication works. But here the user will literally be signing the document (So, Should ...
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2answers
267 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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1answer
129 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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0answers
15 views

Java CertificateVerifier as a generic module [on hold]

Where can I get a CertificateVerifier like the one here as a generic versioning module (jar, preferable as maven dependency). I dont't want to copy and past the java class files.
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0answers
23 views

Multiple user type management - token based authentication

I am currently working on an e-commerce application. The application has different users: Customers Merchants Logistics Admin The current db structure has a different table for each of these user ...
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0answers
29 views

Get java code to check AP isolation is enabled? [closed]

I am building a chat application in Java socket programming to communicate locally like IP messenger. When AP isolation is enabled I get only my IP and gateway.gateway. That's why I can't chat to ...
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0answers
9 views

How to verify Signature Value using cert file in C#? [migrated]

I am noob in security sorry for that. I have an xml file which include, <?xml version="1.0" encoding="UTF-8" standalone="no"?> <ID_VG_Response> <Result> ...
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0answers
74 views

Problem in 'underscore.js' “new Function()” when CSP header is set.

In underscore.js, template rendering causes violation of the 'unsafe-eval' property, with CSP error at following line: "render = new Function(settings.variable || 'obj', '_', source);" The solution ...
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0answers
51 views

Securing REST API with HMAC and SPA

I'm developing a JS based SPA and the backend is a rest api which uses HMAC. The site/app doesn't have the concept of registered users but it has the concept of session. How do i make sure that the ...
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0answers
93 views

What is the difference of TrustManager PKIX and SunX509?

Java's JSSE provides two different TrustManagers: PKIX and SunX509 I tried to find out what the differences between both are, but couldn't find any in the documentation. Can you tell me the ...
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0answers
26 views

Choosing a SSL Certificate Issuer [duplicate]

I am going to buy a new ssl certificate that supports SHA2 algorithm for our web services. Web services will be used by variaous java clients written in java6, java7 and java8. We have got a ssl ...
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1answer
240 views

Java TLS1.0 POODLE

Does java implementation affected? https://www.imperialviolet.org/2014/12/08/poodleagain.html
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0answers
130 views

Considerations for using in-memory file system in a Java web application?

I was reviewing some code for a Java based web application accessible by authenticated users. It used the file system to work with temporary files, some of which have sensitive data. The input is a ...
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votes
1answer
194 views

jRAT virus on Linux

I dumbly downloaded a .jar file that contained jRAT. When run, it stalls, gives a FileNotFoundException, then crashes. When I ls'd, the jar was there. When I cd'd out and back in, the jar was gone. ...
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0answers
34 views

Authentication for Restful web services [duplicate]

I am building a restful web services. My requirement is that I have to provide authentication for accessing the webservices. First I tried with basic authentication. Which is working fine, but ...
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1answer
269 views

Java Drive By & Stub - Explanation [closed]

I have been trying to make some extensions for chrome lately to block some unwanted stuff. I have also been searching for quite some time to find what a JDB does.So , the applet downloads a file , ...
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votes
1answer
271 views

What are correct steps to setup this exploit execution(jboss_invoke_deploy)?

I've found this vulnerability (http://www.metasploit.com/modules/exploit/multi/http/jboss_invoke_deploy) but can't seem to set proper values for exploit to work , payload shown on site gives me worn ...
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votes
1answer
135 views

What makes an Android application vulnerable to Directory Traversal?

Definition of Directory Traversal Directory traversal is a form of HTTP exploit in which a hacker uses the software on a Web server to access data in a directory other than the server's root ...
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1answer
303 views

Use openssl key to decrypt file in android/java [closed]

I want to decrypt file encrypted in openssl in java. File is encrypted with private key using openssl and on java side i want to decrypt it using public key. The code: public void testRSA() throws ...
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0answers
34 views

how to fix XSS Reflected in java [migrated]

I got fortify report which shows XSS Reflected defect from the below 2nd line. String name = request.getParameter("name"); response.getWriter().write("Name: " + name); Recommendation ...