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...

Exploit for CVE-2020-1472

Açıklama Zafiyetli şifreleme protokolü, netlogon protokolünd...

Zerologon Attacks Against Microsoft DCs Snowball in a Week

A spike in exploitation attempts against the Microsoft vulnerability CVE-2020-1472, known as the Zerologon bug, continues to plague businesses. That’s according to researchers from Cisco Talos, who warned that cybercriminals are redoubling their efforts to trigger the elevation-of-privilege bug i...

LIVE Webinar on Zerologon Vulnerability: Technical Analysis and Detection

I am sure that many of you have by now heard of a recently disclosed critical Windows server vulnerability—called Zerologon—that could let hackers completely take over enterprise networks. For those unaware, in brief, all supported versions of the Windows Server operating systems are vulnerable t...

LIVE Webinar on Zerologon Vulnerability: Technical Analysis and Detection

I am sure that many of you have by now heard of a recently disclosed critical Windows server vulnerability—called Zerologon—that could let hackers completely take over enterprise networks. For those unaware, in brief, all supported versions of the Windows Server operating systems are vulnerable t...

Microsoft Netlogon exploitation continues to rise

Cisco Talos is tracking a spike in exploitation attempts against the Microsoft vulnerability CVE-2020-1472, an elevation of privilege bug in Netlogon, outlined in the August Microsoft Patch Tuesday report. The vulnerability stems from a flaw in a cryptographic authentication scheme used by the...

Samba ZeroLogon Vulnerability (CVE-2020-1472)

Samba is prone to an unauthenticated domain takeover vulnerability via netlogon ZeroLogon. Copyright C 2020 Greenbone Networks GmbH 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-or-later...

Exploit for CVE-2020-1472

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

Exploit for CVE-2020-1472

Windows NetLogon privilege escalation vulnerability reoccurren...

openSUSE: Security Advisory for samba (openSUSE-SU-2020:1526-1)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...

openSUSE Security Update : samba (openSUSE-2020-1513)

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-2020-1472...