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Updated: 7 hours 51 min ago

Testing for Heartbleed vulnerability without exploiting the server.

Sat, 2014-04-12 15:19

Heartbleed is a serious vulnerability in OpenSSL that was disclosed on Tuesday, April 8th, and impacted any sites or services using OpenSSL 1.01 – 1.01.f and 1.0.2-beta1. Due to the nature of the bug, the only obvious way to test a server for the bug was an invasive attempt to retrieve memory–and this could lead to the compromise of sensitive data and/or potentially crash the service.

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Categories: Security

Heartbleed Security Advisory

Wed, 2014-04-09 06:25

Issue

OpenSSL is a widely-used cryptographic library which implements the TLS protocol and protects communications on the Internet. On April 7, 2014, a bug in OpenSSL known as “Heartbleed” was disclosed (CVE-2014-0160). This bug allows attackers to read portions of the affected server’s memory, potentially revealing data that the server did not intend to reveal.

Impact

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Categories: Security

Using FuzzDB for Testing Website Security

Tue, 2014-03-25 21:14

After posting an introduction to FuzzDB I received the suggestion to write more detailed walkthroughs of the data files and how they could be used during black-box web application penetration testing. This article highlights some of my favorite FuzzDB files and discusses ways I’ve used them in the past.

If there are particular parts or usages of FuzzDB you’d like to see explored in a future blog post, let me know.

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Categories: Security

Update on Plugin Activation

Fri, 2014-02-28 23:24

To provide a better and safer experience on the Web, we have been working to move Firefox away from plugins.

After much testing and iteration, we determined that Firefox would no longer activate most plugins by default and instead opted to let people choose when to enable plugins on sites they visit. We call this feature in Firefox click-to-play plugins.

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Categories: Security