Intel Acknowledges Chip-Level Security Vulnerability In Processors

Intel Acknowledges Chip-Level Security Vulnerability In Processors

Researchers said they named one flaw "Meltdown" because it "basically melts security boundaries which are normally enforced by the hardware".

Researchers at Alphabet's Google Project Zero, working with academics, discovered the security problems, including one that affects computer chips by leading maker Intel. There is no known fix for it, and it is not clear what chip makers like Intel will do to address the problem.

The industry has been aware of the problem for months and hoped to solve it before details were made public.

There's no evidence that bad actors have yet exploited the bugs, but companies from Microsoft to Mozilla said this week they have worked to patch up vulnerabilities to their operating systems and browsers to protect against one of the bugs.

It has issued guidance about Meltdown and Spectre, including advice on what people can do to protect themselves.

According to the researchers, every Intel processor made since 1995 (specifically, those that implement out-of-order execution) are affected.

"Tech companies typically withhold details about security problems until fixes are available so that hackers wouldn't have a roadmap to exploit the flaws".

"These bugs are an absolute disaster", said Matthew Hickey, a cyber-security expert at Hacker House.

"You may find that patches aren't yet available", he told the BBC.

More news: Kratos Defense & Security Solutions (KTOS) Stock Rating Upgraded by Zacks Investment Research

Microchips are the basic electronic systems behind many devices such as computers and mobile phones. This basically removes the part of kernel from the memory of the program.

In many cases, that information is supposed to be secure from attempts to snoop on it, but these two bugs mean that it could in fact be accessed by a third party.

In a statement published yesterday, Intel claims that the loophole is not specific to their products and reports of slowdowns during fixes have been exaggerated.

"What actually happens with these flaws is different and what you do about them is different", said Paul Kocher, a researcher who was an integral member of a team of researchers at big tech companies like Google and Rambus and in academia that discovered the flaws.

Horn said Google built proof-of-concepts for problems that were exposed in earlier academic work by researchers affiliated with institutions in Austria, the United States and Australia, and some private firms.

Update - The story has been updated with Intel's response.

The open-source community that oversees the Linux operating system, which powers around 30% of the world's computer servers, has posted a patch for Meltdown, the New York Times reported. It is easier to exploit than Spectre, and can steal secrets buried inside a PC. In addition, be sure to check out Google's blog detailing the exploits and its efforts to help mitigate attacks across its hardware and software platforms. Google says Android devices are protected if they have the latest security updates. The flaw could let attackers bypass kernel access protections and allow regular apps to read the contents of kernel memory. Intel has not spoken publicly about the issue, and security researchers are believed to be working under an embargo to patch the affected system.

"It is significant but whether it will be exploited widely is another matter", said Prof Alan Woodward, from the University of Surrey.

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