Microsoft Zerologon Flaw Under Attack By Iranian Nation-State Actors

Microsoft is warning that an Iranian nation-state actor is now actively exploiting the Zerologon vulnerability CVE-2020-1472, adding fuel to the fire as the severe flaw continues to plague businesses. The advanced persistent threat APT actor, which Microsoft calls MERCURY also known as MuddyWater...

CISA Releases Emergency Directive on Microsoft Windows Netlogon Remote Protocol

The Cybersecurity and Infrastructure Security Agency CISA has released Emergency Directive ED 20-04 addressing a critical vulnerability— CVE-2020-1472—affecting Microsoft Windows Netlogon Remote Protocol. An unauthenticated attacker with network access to a domain controller could exploit this...

Microsoft Windows Netlogon Remote Protocol (MS-NRPC) uses insecure AES-CFB8 initialization vector

Overview The Microsoft Windows Netlogon Remote Protocol MS-NRPC reuses a known, static, zero-value initialization vector IV in AES-CFB8 mode. This allows an unauthenticated attacker to impersonate a domain-joined computer, including a domain controller, and potentially obtain domain administrator...