Experts say the Heartbleed OpenSSL bug — a flaw in the network software meant to protect your data — may have actually allowed hackers to steal the very data it’s meant to guard. Think you’re safe from this obscure bug in OpenSSL, whatever that is? Think again. One expert noted that “almost everyone” uses it.
“Given that over half of the world’s webservers use Apache, and Apache uses OpenSSL, the majority of people are using applications built on top of OpenSSL on a regular basis,” explained Steve Pate, the Chief Architect at cloud services company HyTrust.
The Heartbleed bug is a security hole discovered in OpenSSL, widely used network software that encrypts the sensitive data you input into many popular websites. The flaw allows hackers to steal data directly from the memory chips of servers all over the world, and has been in existence for roughly two years. Jean Taggart, a Senior Security Researcher at Malwarebytes, which makes popular anti-malware software, described it as an easy way for crooks to invisibly sweep up your data.
“This vulnerability gives cyber criminals a method for collecting very sensitive information, like private encryption keys. If an adversary has extracted the private key through the Heartbleed vulnerability, they can impersonate the victim, and set up an undetectable man-in-the-middle attack,” Taggart said.
OpenSSL has a history of being vulnerable to attacks, Pate says, with the first flaw spotted by HyTrust back in May of 2009. However, Pate also notes that though OpenSSL 1.0.1 and 1.0.2-beta already have Heartbleed bug fixes available, if the affected versions are being used, the exploit may have already been used by hackers to swipe sensitive data.
Taggart also explained that exterminating the security flaw will be no easy task.
“Fixing this bug will not be trivial, because even though security professionals can roll out an upgrade, many will not reset their certificates as this is a difficult and lengthy task. So if they were compromised prior to the announcement of the bug, their private keys might already be in the hands of adversaries, and their encrypted communications could be intercepted by third parties.”
Nathaniel Couper-Noles, a Principal Security Consultant at security firm Neohapsis, said that though there are workarounds and fixes available to combat Heartbleed, “the horse may already be out of the barn.”
“Many organizations aren’t instrumented to identify whether and where they’re vulnerable, the attack may leave no footprint discernable from legitimate traffic, and the consequences can potentially be long term,” Couper-Noles said. On top of that, Couper-Noles noted that there could be “hundreds or thousands of affected systems” across the world’s businesses.
At this point, changing your passwords is the best course of action you can take to protect yourself from the Heartbleed bug. On top of that, avoiding the webpages on this list of sites that are allegedly affected by the OpenSSL flaw is also highly recommended.
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