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...

Unauthenticated domain takeover via netlogon ("ZeroLogon")

Description The following applies to Samba used as domain controller only most seriously the Active Directory DC, but also the classic/NT4-style DC. Installations running Samba as a file server only are not directly affected by this flaw, though they may need configuration changes to continue to...

USN-4510-2 samba vulnerability

USN-4510-1 fixed a vulnerability in Samba. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Tom Tervoort discovered that the Netlogon protocol implemented by Samba incorrectly handled the authentication scheme. A remote attacker could use this issue t...

USN-4510-2: Samba vulnerability

USN-4510-1 fixed a vulnerability in Samba. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Tom Tervoort discovered that the Netlogon protocol implemented by Samba incorrectly handled the authentication scheme. A remote attacker could use this issue t...

USN-4510-1: Samba vulnerability

Tom Tervoort discovered that the Netlogon protocol implemented by Samba incorrectly handled the authentication scheme. A remote attacker could use this issue to forge an authentication token and steal the credentials of the domain admin. This update fixes the issue by changing the "server schanne...

USN-4510-1 samba vulnerability

Tom Tervoort discovered that the Netlogon protocol implemented by Samba incorrectly handled the authentication scheme. A remote attacker could use this issue to forge an authentication token and steal the credentials of the domain admin. This update fixes the issue by changing the "server schanne...

CVE-2020-1472

A flaw was found in the Microsoft Windows Netlogon Remote Protocol MS-NRPC, where it reuses a known, static, zero-value initialization vector IV in AES-CFB8 mode. This flaw allows an unauthenticated attacker to impersonate a domain-joined computer, including a domain controller, and possibly obta...

CERT/CC Releases Information on Critical Vulnerability in Microsoft Windows Netlogon Remote Protocol

The CERT Coordination Center CERT/CC has released information on CVE-2020-1472, a vulnerability affecting Microsoft Windows Netlogon Remote Protocol. An unauthenticated attacker could exploit this vulnerability to obtain Active Directory domain administrator access. Although Microsoft provided...

Ubuntu 16.04 LTS / 18.04 LTS : Samba vulnerability (USN-4510-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4510-1 advisory. Tom Tervoort discovered that the Netlogon protocol implemented by Samba incorrectly handled the authentication scheme. A remote attacker could use thi...

Exploit for CVE-2020-1472

ZeroLogon testing script A Python script that uses the Impack...

Exploit for CVE-2020-1472

CVE-2020-1472 POC Requires the latest impacket from GitHubh...

Exploit for CVE-2020-1472

CVE-2020-1472 Netlogon Remote Protocol Call MS-NRPC Privileg...

Exploit for CVE-2020-1472

!Pythonpython-shield CVE-2020-1472 CVE-2020-1472 - Zero...

Exploit for CVE-2020-1472

ZeroLogon testing script A Python script that uses the Impack...

Exploit for CVE-2020-1472

CVE-2020-1472 POC Requires the latest impacket from GitHubh...

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...

UBUNTU-CVE-2020-1472

An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol MS-NRPC. An attacker who successfully exploited the vulnerability could run a specially crafted application on a...

CVE-2020-1472

An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol MS-NRPC. An attacker who successfully exploited the vulnerability could run a specially crafted application on a...

Microsoft Netlogon Vulnerability (CVE-2020-1472 – Zerologon) – Automatically Discover, Prioritize and Remediate Using Qualys VMDR®

Update October 1, 2020: Microsoft has added step-by-step Zerologon patching instructions because the original instructions "proved confusing to users and may have caused issues with other business operations." Update October 1, 2020: Qualys released new QID 91680 to add a remote unauthenticated...

Windows Exploit Released For Microsoft ‘Zerologon’ Flaw

Proof-of-concept PoC exploit code has been released for a Windows flaw, which could allow attackers to infiltrate enterprises by gaining administrative privileges, giving them access to companies’ Active Directory domain controllers DCs. The vulnerability, dubbed “Zerologon,” is a...