Attacks exploiting Netlogon vulnerability (CVE-2020-1472)

Microsoft has received a small number of reports from customers and others about continued activity exploiting a vulnerability affecting the Netlogon protocol CVE-2020-1472 which was previously addressed in security updates starting on August 11, 2020. If the original guidance is not applied, the...

Attacks exploiting Netlogon vulnerability (CVE-2020-1472)

Microsoft has received a small number of reports from customers and others about continued activity exploiting a vulnerability affecting the Netlogon protocol CVE-2020-1472 which was previously addressed in security updates starting on August 11, 2020. If the original guidance is not applied, the...

Microsoft Warns of Continued Exploitation of CVE-2020-1472

Microsoft has released a blog post on cyber threat actors exploiting CVE-2020-1472, an elevation of privilege vulnerability in Microsoft’s Netlogon. A remote attacker can exploit this vulnerability to breach unpatched Active Directory domain controllers and obtain domain administrator access. The...

Exploit for CVE-2020-1472

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

Huawei EulerOS: Security Advisory for samba (EulerOS-SA-2020-2181)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Huawei EulerOS: Security Advisory for samba (EulerOS-SA-2020-2171)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Exploit for CVE-2020-1472

PoC exploit for CVE-2020-1472, a Windows ZeroLogon vulnerability. The exploit targets the Netlogon service on a Domain Controller DC and allows an attacker to set an empty password for the DC's machine account. This is achieved by exploiting the vulnerability in the Netlogon service, which allows...

Exploit for CVE-2020-1472

PoC exploit for CVE-2020-1472, a vulnerability in the Windows Netlogon service that allows for authentication bypass. The exploit uses the Impacket library to test the vulnerability and attempts to perform a Netlogon authentication bypass. The script will immediately terminate when successfully...

EulerOS 2.0 SP9 : samba (EulerOS-SA-2020-2171)

According to the version of the samba packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller,...

EulerOS 2.0 SP9 : samba (EulerOS-SA-2020-2181)

According to the version of the samba packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller,...

Privilege Escalation

samba is vulnerable to privilege escalation. The vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol MS-NRPC, aka 'Netlogon Elevation of Privilege Vulnerability'...

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...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Samba update (USN-4559-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4559-1 advisory. Tom Tervoort discovered that the Netlogon protocol implemented by Samba incorrectly handled the authentication scheme. A remote attacker...

Ubuntu: Security Advisory (USN-4559-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Microsoft Patch Tuesday September 2020: Zerologon and other exploits, RCEs in SharePoint and Exchange

I would like to start this post by talking about Microsoft vulnerabilities, which recently turned out to be much more serious than it seemed at first glance. Older Vulnerabilities with exploits "Zerologon" Netlogon RCE CVE-2020-1472 One of them is, of course, the Netlogon vulnerability from the...

USN-4559-1: Samba update

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. While a previous security update fixed the issue by changin...

USN-4559-1 samba update

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. While a previous security update fixed the issue by changin...

MGASA-2020-0380 Updated samba packages fix security vulnerability

When Samba is used as a domain controller, an unauthenticated attacker on the network can gain administrator access by exploiting a netlogon protocol flaw CVE-2020-1472. Note that Samba installations are not vulnerable unless they have the smb.conf lines 'server schannel = no' or 'server schannel...

Exploit for CVE-2020-1472

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

openSUSE Security Update : samba (openSUSE-2020-1526)

"This update for samba fixes the following issues : - ZeroLogon: An elevation of privilege was possible with some non default configurations when an attacker established a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol MS-NRPC CVE-2020-147...