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Snapchats Many Vulnerabilities by Augustine Fou


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Snapchat's many vulnerabilities have undermined its entire premise of safety and privacy.

Published in: Business, Technology
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Snapchats Many Vulnerabilities by Augustine Fou

  1. 1. Augustine Fou- 1 - Dr. Augustine Fou July 2013 Snapchat’s Many Vulnerabilities
  2. 2. Augustine Fou- 2 - Snapchat Leaked Personal Data Source: Dec 2012 Snapchat lets you find out if any friends who might have you in their contacts are using the service. To do this it needs your phone- number: on Android, this is obtained automatically. On iOS, however, you need to verify your number by sending a SMS to Snapchat with a unique code (partly to prevent abuse, but mainly because unlike Android, iOS does not allow system access to the device’s phone number). The Snapchat app makes a web service call to discover whether this SMS verification has succeeded or not. The call looks like this: POST username=john.smith timestamp=1357768038866 req_token=13f413fwrf4[…]
  3. 3. Augustine Fou- 3 - Snapchat Pictures Are Stored “The app stores the images by adding the file extensions 'nomedia' to all files sent using Snapchat. This means that you only have to download the files and open them in a program that recognises.nomedia files and the images can be seen again. Hickman made the discovery during his mobile forensics course at Utah Valley.” Source: Decipher Forensics via Business Insider May 9, 2013
  4. 4. Augustine Fou- 4 - Snapchat Videos Easily Retrieved “The videos will show up in the gallery under a folder called "tcs_pahn." Upon clicking on one, the video player will happily play the non-obscured video file just as if it were any plain old video. Simply put, an Android app should NEVER save data to the root of the user's sd card” Source: Gizmodo Dec 2012
  5. 5. Augustine Fou- 5 - Snapchat Leaked Images / Videos
  6. 6. Augustine Fou- 6 - Electronic Privacy Information Center Files FTC Complaint Against Snapchat