Who's Behind Wednesday's Epic Twitter Hack?

An nameless reader writes: Researchers have developed and revealed a proof-of-concept exploit for a just lately patched Home windows vulnerability that may enable entry to a corporation’s crown jewels — the Energetic Listing area controllers that act as an omnipotent gatekeeper for all machines related to a community. CVE-2020-1472, because the vulnerability is tracked, carries a crucial severity score from Microsoft in addition to a most of 10 below the Frequent Vulnerability Scoring System. Exploits require that an attacker have already got a foothold inside a focused community, both as an unprivileged insider or by way of the compromise of a related system. Nonetheless, when this situation is met, it is actually recreation over for the attacked firm, as an attacker can hijack its total community inside three seconds by leveraging a bug within the Netlogon authentication protocol cryptography by including zero characters in sure Netlogon authentication parameters, bypassing authentication procedures after which altering the password for the DC server itself. The technical report from Secura B.V., a Dutch safety agency, is out there right here.

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