Which versions of OpenSSL are affected by the Heartbleed vulnerability?

Which versions of OpenSSL are affected by the Heartbleed vulnerability?

The affected OpenSSL versions are 1.0. 1 through 1.0. 1f, 1.0. 2-beta, and 1.0.

Who was affected by the Heartbleed bug?

Heartbleed bug affects Yahoo, OKCupid sites; users face losing passwords. UPDATE 3: Because of a major bug in OpenSSL, Yahoo users are advised not to log in to their email and instant messaging accounts, and other services until the bug is fixed. Zack Whittaker was the security editor for ZDNet.

What is a Heartbleed attack?

The Heartbleed attack works by tricking servers into leaking information stored in their memory. So any information handled by web servers is potentially vulnerable. That includes passwords, credit card numbers, medical records, and the contents of private email or social media messages.

Which versions of OpenSSL are affected by this bug?

What versions of the OpenSSL are affected?

  • 1 through 1.0. 1f (inclusive) are vulnerable.
  • 1g is NOT vulnerable.
  • 0 branch is NOT vulnerable.
  • OpenSSL 0.9. 8 branch is NOT vulnerable.

What caused heartbleed bug?

Heartbleed was caused by a flaw in OpenSSL, an open source code library that implemented the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. In short, a malicious user could easily trick a vulnerable web server into sending sensitive information, including usernames and passwords.

What caused Heartbleed?

How many people affected Heartbleed?

As of 11 July 2019, Shodan reported that 91,063 devices were vulnerable. The U.S. was first with 21,258 (23%), the top 10 countries had 56,537 (62%), and the remaining countries had 34,526 (38%).

What is Heartbleed OpenSSL bug?

Heartbleed OpenSSL Bug. The Heartbleed Bug is a serious vulnerability in the popular OpenSSL cryptographic software library. This weakness allows stealing the information protected, under normal conditions, by the SSL/TLS encryption used to secure.

What is Heartbleed bug and how to prevent it?

The Heartbleed Bug is an OpenSSL vulnerability that would allow malicious hackers to steal information from websites that would normally be protected by the SSL / TLS encryption. The open source OpenSSL cryptography library is used to implement the Internet’s Transport Layer Security (TLS) protocol.

Does Heartbleed affect OpenSSL handshake?

No, vulnerable heartbeat extension code is activated regardless of the results of the handshake phase negotiations. Only way to protect yourself is to upgrade to fixed version of OpenSSL or to recompile OpenSSL with the handshake removed from the code. Who found the Heartbleed Bug?

What to do if your OpenSSL is vulnerable to a bug?

The bug was discovered and reported by Neel Mehta of Google Security and simply states the impacted versions and recommends upgrading OpenSSL or if that’s not feasible, recompiling it and disabling the heartbeats.