Big Fish: Exploiting a 37-Year-Old Kernel Bug in OpenBSD
Big fish. Small counter. Root shell.
Calif frequently publishes our offensive research and work, but we otherwise don't draw much attention to the defensive work we do — assisting open source projects with remediation, patch generation, cryptographic improvements, and internal engineering projects we carry out for our clients.
Earlier this year, we reported some vulnerabilities, often along with suggested patches to OpenBSD. One traced back roughly 37 years to the original BSD sources, where a s...
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