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VirtualBox TFTP server (PXE boot) directory traversal and heap overflow vulnerabilities – [CVE-2019-2552, CVE-2019-2553]

In my previous blog post I wrote about VirtualBox DHCP bugs which can be triggered from an unprivileged guest user, in the default configuration and without Guest Additions installed. TFTP server for PXE boot is another attack surface which can be reached from the same configuration. VirtualBox in NAT mode…

Courts Hand Down Hard Jail Time for DDoS

Seldom do people responsible for launching crippling cyberattacks face justice, but increasingly courts around the world are making examples of the few who do get busted for such crimes. On Friday, a 34-year-old Connecticut man received a whopping 10-year prison sentence for carrying out distributed denial-of-service (DDoS) attacks against a…
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