Heartbleed Bug Vulnerability: Discovery, Impact and
Bug was introduced to OpenSSL in December 2011 and has been out in the wild since OpenSSL release 1.0.1 on 14th of March 2012. OpenSSL 1.0.1g released on 7th of April 2014 fixes the bug. More information on the heartbleed vulnerability can be found at http://heartbleed.com/ You only need to update if your CentOS host is a server running openssl. Check your OpenSSL version, you could be in for Heartbleed Updating/Patching OpenSSL First, you need to identify if you are running servers with a vulnerable OpenSSL version, chances are you will be (see the official site for the version list). If you are, you must first patch OpenSSL to fix the main vulnerability (heartbleed). Anatomy of OpenSSL's Heartbleed: Just four bytes trigger
Description 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.
Updating/Patching OpenSSL First, you need to identify if you are running servers with a vulnerable OpenSSL version, chances are you will be (see the official site for the version list). If you are, you must first patch OpenSSL to fix the main vulnerability (heartbleed).
OpenSSL versions openssl-1.0.1e-33.el7 and earlier include a flawed libssl.so library vulnerable to the issue To determine openssl version, use the command: rpm -q openssl Version openssl-1.0.1e-34.el7 included a fix backported from openssl-1.0.1g See footnote for considerations specific to RHEL 7 Beta 1
Dec 09, 2019 Heartbleed bug: What you need to know (FAQ) - CNET Heartbleed is a security vulnerability in OpenSSL software that lets a hacker access the memory of data servers. According to Netcraft, an Internet research firm, 500,000 Web sites could be affected. OpenSSL version 1.0.1e in CentOS 6 -- Heartbleed I was reading the Heartbleed vulnerability in the OpenSSL and in its official website, they have a list which mentioned that version 1.0.1 to 1.0.1f are affected, as shown in below pic.. I have CentOS 6 installed in my server and updated as per latest available versions in yum repository.. redhat release - Heartbleed – Wikipedia Heartbleed (officiell beteckning CVE-2014-0160 ) var en programbugg i krypteringsbiblioteket OpenSSL som påverkade stora delar av servrar på internet. Även ett antal klienter såsom Android  påverkades. Buggen kunde potentiellt göra det lättare för illvilliga hackare att komma över servrars privata krypteringsnycklar och i förlängningen även vanliga användares lösenord