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What is Heartbleed?

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By now you’ve heard about the Heartbleed bug. But what exactly is it? Why is it so deadly? And most importantly, how can you protect yourself?

Published in: Internet, Technology
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What is Heartbleed?

  1. 010010101010100101100101010011111001001001010001010 010010101010100101100101010011111001001001010001010 010010101010100101100101010011111001001001010001010 010010101010100101100101010011111001001001010001010 010010101010100101100101010011111001001001010001010 010010101010100101100101010011111001001001010001010 010010101010100101100101010011111001001001010001010 010010101010100101100101010011111001001001010001010 010010101010100101100101010011111001001001010001010 010010101010100101100101010011111001001001010001010 010010101010100101100101010011111001001001010001010 010010101010100101100101010011111001001001010001010 010010101010100101100101010011111001001001010001010 010010101010100101100101010011111001001001010001010 010010101010100101100101010011111001001001010001010 010010101010100101100101010011111001001001010001010 Epidemic what is the Heartbleed
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  4. CVE-2014-0160 Official designation is CVE (Common Vulnerabilities and Exposures) a vulnerability that exists in the OpenSSL security software, which is used to create secure connections. HEARTBLEED VIEW THE INFOGRAPHIC
  5. This vulnerability existed for 2 years before it was caught! VIEW THE INFOGRAPHIC
  6. 01001010101010010110010101001111100100100101000101 01001010101010010110010101001111100100100101000101 01001010101010010110010101001111100100100101000101 01001010101010010110010101001111100100100101000101 01001010101010010110010101001111100100100101000101 01001010101010010110010101001111100100100101000101 01001010101010010110010101001111100100100101000101 01001010101010010110010101001111100100100101000101 01001010101010010110010101001111100100100101000101 01001010101010010110010101001111100100100101000101 01001010101010010110010101001111100100100101000101 01001010101010010110010101001111100100100101000101 Version 1.0.1 of OpenSSL introduced the vulnerability known as heartbleed, and was released on March 14, 2012. Heartbleed was discovered by Neel Mehta, an engineer at Google Security, and a team of security engineers (Riku, Antti and Matti) at Finnish security firm, Codenomicon. !!! VIEW THE INFOGRAPHIC
  7. A computer that is on a secure connection to a server will send out a request to confirm that the connection is still active. The server takes that request and stores the data. Then it returns that same packet of data. This secure connection (SSL/TSL), is called a “heartbeat.” It includes two things: a payload, and padding. HOW IT WORKS
  8. VIEW THE INFOGRAPHIC THIS IS WHERE THE BLEEDING HAPPENS Servers using the protocol do not check to confirm that the packet of data actually matches the size indicated.
  9. So, for example, if a heartbeat was sent with a single byte of data, and claimed to have 30 bytes of data. Rather than confirm that the data was only 1 byte, the server would grab not only that, but the next 29 bytes from memory as well and send it back the user. VIEW THE INFOGRAPHIC 1 byte (30 bytes) (30 bytes)
  10. VIEW THE INFOGRAPHIC Imagine what could be in those extra 29 bytes? No data is safe! Passwords Addresses Full Names Credit Card NumbersEncryption Keys *** Social Security Numbers
  11. VIEW THE INFOGRAPHIC Not only that, A malicious user could make as many heartbeat requests as they’d like. With NO TRACE being left behind.
  12. Including heavily trafficked websites such as: Facebook, Google, YouTube and Wikipedia. VIEW THE INFOGRAPHIC are using the vulnerable heartbeat extension. About 500,000 sites
  13. By automatically detecting, blocking and logging attempted Heartbleed attacks, Blue Coat’s SSL Visibility Appliance provides enterprises with the security assurance they require. PROTECT & PREVENT START NOW
  14. Brought to you by: VIEW THE INFOGRAPHIC SOURCES: http://heartbleed.com http://vimeo.com/91425662 http://www.pewinternet.org/2014/04/30/heartbleeds-impact/ http://readwrite.com/2014/04/13/heartbleed-security-codenomicon-discovery#awesm=~oE3W6PSiCIxWOz http://www.digitaltrends.com/mobile/heartbleed-bug-apps-affected-list/#!MOLoi

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