Security Leftovers
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A [Windows] virus has thrown Philadelphia’s court system into chaos
Since May 21st, a virus has shut down Philadelphia’s online court system, bringing network access to a standstill. The problems started unexpectedly: suddenly, no one could seem to access the system to file documents. “It wasn’t working,” says Rachel Gallegos, a senior staff attorney with the civil legal aid organization Community Legal Services. “I thought it was my computer.”
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Linux Command-Line Editors Vulnerable to High-Severity Bug
Vim and Neovim have both released patches for the bug (CVE-2019-12735) that the National Institute of Standards and Technology warns, “allows remote attackers to execute arbitrary OS commands via the :source! command in a modeline.”
“Beyond patching, it’s recommended to disable modelines in the vimrc (set nomodeline), to use the securemodelinesplugin, or to disable modelineexpr (since patch 8.1.1366, Vim-only) to disallow expressions in modelines,” the researcher said.
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Beware Linux users! Vulnerability in Vim or Neovim Editor could compromise your Linux
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The bits and bytes of PKI
In two previous articles—An introduction to cryptography and public key infrastructure and How do private keys work in PKI and cryptography?—I discussed cryptography and public key infrastructure (PKI) in a general way. I talked about how digital bundles called certificates store public keys and identifying information. These bundles contain a lot of complexity, and it's useful to have a basic understanding of the format for when you need to look under the hood.
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Update Uncertainty | TechSNAP 405
We explore the risky world of exposed RDP, from the brute force GoldBrute botnet to the dangerously worm-able BlueKeep vulnerability.
Plus the importance of automatic updates, and Jim’s new backup box.
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Microsoft's June 2019 Patch Tuesday fixes many of SandboxEscaper's zero-days
Microsoft has published today its monthly roll-up of security updates, known as Patch Tuesday. This month, the OS maker has patched 88 vulnerabilities, among which 21 received a rating of "Critical," the company's highest severity ranking.
Furthermore, the May 2019 Patch Tuesday also included fixes for four of the five zero-days that a security researcher and exploit seller by the name of SandboxEscaper published online over the course of the last month.
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Researchers use Rowhammer bit flips to steal 2048-bit crypto key [Ed: Mass slanderer and FUDmeister from Ars Technica (he got sued for his style) recalls Rowhammer (which is more theoretical a risk then a real one)]
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RAMBleed Attack Can Steal Sensitive Data From Computer Memory[Ed: Rowhammer was mentioned by another site of FUDmeisters (one of whom CBS hired for clickbait)]
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