OpenSSL versions 1.0.1 through 1.0.1f contain a flaw in its implementation of the TLS/DTLS heartbeat functionality. This flaw allows an attacker to retrieve private memory of an application that uses the vulnerable OpenSSL library in chunks of 64k at a time.
Apr 15, 2014 · Heartbleed makes 50m Android phones vulnerable, data shows This article is more than 6 years old Devices running Android 4.1.1 could be exploited by 'reverse Heartbleed' to yield user data Jun 23, 2014 · Two months after the Heartbleed bug was discovered, at least 300,000 servers remain vulnerable to the exploit. Heartbleed, discovered by a Google engineer, caused widespread panic and a furious Oct 03, 2017 · The Heartbleed bug allows anyone on the Internet to read the memory of the systems protected by the vulnerable versions of the OpenSSL software. This compromises the secret keys used to identify the service providers and to encrypt the traffic, the names and passwords of the users and the actual content. May 21, 2014 · The significance of CVE-2014-0160, aka Heartbleed, an attack against the transport layer security protocol (TLS/DTLS) heartbeat extension, is well documented. What could use more discussion is what it really takes to find all vulnerable systems impacted by Heartbleed in today’s networks. The vulnerability exists in the OpenSSL library, widely used by Linux operating systems, embedded […] Apr 23, 2014 · The good news, however, is that since the Heartbleed vulnerability came to light on April 7, developers have released patches covering about 70 million previously vulnerable apps, thus taking a
Apr 09, 2014 · The Heartbleed bug allows anyone on the Internet to read the memory of the systems protected by the vulnerable versions of the OpenSSL software. This compromises the secret keys used to identify the service providers and to encrypt the traffic, the names and passwords of the users and the actual content. Apr 08, 2014 · Tests like filippo.io/Heartbleed can tell us whether a vulnerable OpenSSL implementation is present at the time of the test. However, according to my understanding, the test can’t tell us whether the private key and certificate being used were issued *after* all services were updated to a non-vulnerable version.
Heartbleed is a play on words referring to an extension on OpenSSL called "heartbeat." The protocol is used to keep connections open, even when data isn't being shared between those connections.
Apr 08, 2014 · The 1.0.0 and 0.9.8 branches are not vulnerable.US-CERT recommends users and administrators review Vulnerability Note VU#720951 for additional information and mitigation details. OpenSSL 'Heartbleed' Vulnerability | CISA Apr 09, 2014 · This is what makes Heartbleed so ominous. So while continuously monitoring your system is a wonderful thing, it would have done nothing to prevent or detect Heartbleed attack. So the honest/correct answer from any site that was vulnerable to Heartbleed is that “We don’t know” whether any damage was done or the extent of the damage if any. Sep 02, 2014 · Detecting and Exploiting the OpenSSL-Heartbleed Vulnerability. by Daniel Dieterle. In this article we will discuss how to detect systems that are vulnerable to the OpenSSL-Heartbleed vulnerability and learn how to exploit them using Metasploit on Kali Linux.