Category

Security

• Flash, Flash Player, Security

  0 Day Expoit in Flash Player.. Not so real

  31.05.08 | Permalink | Comment?

  In a previous article in this series I told you about a reported exploit for Adobe Flash Player. It seems that the security bulletin that this exploit was based upon was released before the version 9.0.124.0 of the Player. Reading the latest security bulletin Adobe informs us that the exploit is not applicable to this […]

  Popularity: 55%

• Flash, Flash Player, Security

  Adobe Flash zero-day exploit in the wild

  28.05.08 | Permalink | Comment?

  A very recent news on Zdnet announced that there is an very serious exploit that Adobe Flash Players 9.0.115.0 and 9.0.124.0 are vulnerable; other versions may also be affected.
  The link to the whole story is here.
  Popularity: 50%

  Popularity: 50%

• ActionScript, How to, MXML, PHP, Security, Web Service

  Using Shared Objects: Login Process with Remember Password

  09.05.08 | Permalink | 3 Comments

  In this post we will implement a login process with remember password functionality. In AS3 and also in AS2 we can use a SharedObject to store data on the users browser. Shared objects are similar to the all known browser cookies but are managed by the flash player. Shared objects can store data also remotely […]

  Popularity: 87%

• ActionScript, Bugs, Flash, Flex in the world, Flex news, Security

  Flash NULL pointer exploit

  18.04.08 | Permalink | Comment?

  The paper “Application-Specific Attacks: Leveraging the ActionScript Virtual Machine” written by Mark Dowd in which he describes various techniques that promise to open up a class of exploits and vulnerability research previously thought to be prohibitively difficult. While the Flash vulnerability described in the paper [pdf] has been patched by Adobe, the presentation of a […]

  Popularity: 61%

• ActionScript, Flash Player, Security

  Adobe Player Security Update

  25.03.08 | Permalink | Comment?

  Adobe plans to release a new security update for the Flash Player on 9 April 2008. The update plans to fix the issues listed in the December 2007 Security Bulletin ABSP07-20 for DNS rebinding and cross-domain policy file vulnerabilities, and Security […]

  Popularity: 50%

• Bugs, Flex 2, Flex resources, RIA, Security

  How to create a swf RSL from a swc and how to use it

  08.01.08 | Permalink | Comment?

  In a previous article I told you about the benefits of RSL’s. But you need also to know how to create them from a swc and how to use them.
  First step is to create a new “Flex Library Project”. Write all the code you want to have in it. Then in your main application […]

  Popularity: 67%

• ActionScript, Security

  As3Crypto - ActionScript 3 Cryptography Library

  27.11.07 | Permalink | Comment?

  Today I found this interesting library - AS3 Crypto Framework 1.3. Many algorithms used for cryptography are implemented in this class: TLS 1.0 support (partial), X.509 Certificate parsing and validation, RSA (encrypt/decrypt, sign/verify), AES, DES, 3DES, BlowFish, XTEA, RC4, ECB, CBC, CFB, CFB8, OFB, CTR, MD2, MD5, SHA-1, SHA-224, SHA-256, PKCS#5, PKCS#1 type 1 and […]

  Popularity: 28%

• ActionScript, Security

  CAPTCHA in Flex - Using to Check the User

  09.11.07 | Permalink | Comment?

  Now here is an example how to check a user using our CAPTCHA.
  

  
  For source files see bellow.
  Popularity: 38%captcha

  Popularity: 38%

• ActionScript, Security

  CAPTCHA in Flex - Running Example

  01.11.07 | Permalink | Comment?

  And now here is a running example. This shows how to generate a CAPTCHA setting about 4 parameters.
  

  
  More parameters can be added to this example, like dots size, polygons transparency, font size but all that are features.
  Enjoy!
  PS: Sources are bellow.
  Popularity: 38%captcha

  Popularity: 38%

• ActionScript, Security

  CAPTCHA in Flex - Main Class

  30.10.07 | Permalink | Comment?

  Recently I needed to implement a CAPTCHA (means: “Completely Automated Public Turing test to tell Computers and Humans Apart” - on wikipedia) functionality to a sign-up form in flex.
  So here is the class:

  public class Captcha extends Canvas
  {
  private const CAPTCHA_WIDTH:uint = 120;
  private const CAPTCHA_HEIGHT:uint = 40;
  […]

  Popularity: 31%

• Flex resources, Made in Flex, Security

  Cross domain policy

  17.10.07 | Permalink | Comment?

  Some times you may pass over the following problem: the data doesn’t loads although the flex application is showing busy cursor. It remains in the loading process but it doesn’t finish. One of the following thing happens:

  As you can see in the image above the SWF is not accessing the same domain it come from […]

  Popularity: 36%

FLEX{er}

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FLEX{er} is a tool where information regarding Flex & Actionscript programming languages is gathered starting from general info like books and resources and going to examples of actionscript for specific problems. [...]

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comments

• Stelian Crisan: Hi Andrew, You have right, the code was not clear, I just update and test the code. Thank you for...
• Andrew: Hi: I like this compact nature of this code. However, it seems to have some flaws in it. For instance, there...
• Andrei Ionescu: JBI, thank for clarifying it out. I restored your comment.
• Andrei Ionescu: JBI, I’m sorry but the tag you mentioned and parts of the code was stripped away. So please...
• JBI: Hi. This is a great piece of code. I have one small ‘fix’ though. I have the following tag: <span...