Microsoft Windows SMB2 Tree Connect Response Denial of Service (MS17-012: CVE-2017-0016)

A denial of service vulnerability has been reported in Microsoft Windows SMB2. The vulnerability is due to insufficient sanitization over SMB2 Tree Connect response messages...

Debian DSA-3740-1 : samba - security update

Several vulnerabilities have been discovered in Samba, a SMB/CIFS file, print, and login server for Unix. The Common Vulnerabilities and Exposures project identifies the following issues : - CVE-2016-2119 Stefan Metzmacher discovered that client-side SMB2/3 required signing can be downgraded,...

Ubuntu 14.04 LTS / 16.04 LTS : Samba vulnerability (USN-3092-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3092-1 advisory. Stefan Metzmacher discovered that Samba incorrectly handled certain flags in SMB2/3 client connections. A remote attacker could use this issue to...

USN-3092-1: Samba vulnerability

Stefan Metzmacher discovered that Samba incorrectly handled certain flags in SMB2/3 client connections. A remote attacker could use this issue to disable client signing and impersonate servers by performing a machine-in-the-middle attack. Samba has been updated to 4.3.11 in Ubuntu 14.04 LTS and...

SUSE SLED12 / SLES12 Security Update : samba (SUSE-SU-2016:2306-1)

This update for samba provides the following fixes : - CVE-2016-2119: Prevent client-side SMB2 signing downgrade. bsc986869 - Fix possible ctdb crash when opening sockets with htonsIPPROTORAW. bsc969522 - Honor smb.conf socket options in winbind. bsc975131 - Fix ntlm-auth segmentation fault with...

SUSE-SU-2016:2306-1 Security update for samba

This update for samba provides the following fixes: - CVE-2016-2119: Prevent client-side SMB2 signing downgrade. bsc986869 - Fix possible ctdb crash when opening sockets with htonsIPPROTORAW. bsc969522 - Honor smb.conf socket options in winbind. bsc975131 - Fix ntlm-auth segmentation fault with...

openSUSE Security Update : samba (openSUSE-2016-881)

"This update for samba fixes the following issues : - Prevent client-side SMB2 signing downgrade; CVE-2016-2119; bso11860 %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from openSUSE Security Update openSUSE-2016-881. The...

Samba 4.x < 4.2.14 / 4.3.x < 4.3.11 / 4.4.x < 4.4.5 SMB2/3 Client Connection Required Signing Downgrade

The version of Samba running on the remote host is 4.x prior to 4.2.14, 4.3.x prior to 4.3.11, or 4.4.x prior to 4.4.5. It is, therefore, affected by a flaw in libcli/smb/smbXclibase.c that is triggered when handling SMB2 and SMB3 client connections. A man-in-the-middle attacker can exploit this,...

FreeBSD : samba -- client side SMB2/3 required signing can be downgraded (4729c849-4897-11e6-b704-000c292e4fd8)

Samba team reports : A man in the middle attack can disable client signing over SMB2/3, even if enforced by configuration parameters. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from the FreeBSD VuXML database :...

Samba 'libcli/smb/smbXcli_base.c' Man In The Middle (MIMA) Vulnerability

Samba is prone to a man-in-the-middle MITM vulnerability. SPDX-FileCopyrightText: 2016 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 CPE = "cpe:/a:samba:samba";...

CVE-2016-2119

libcli/smb/smbXclibase.c in Samba 4.x before 4.2.14, 4.3.x before 4.3.11, and 4.4.x before 4.4.5 allows man-in-the-middle attackers to bypass a client-signing protection mechanism, and consequently spoof SMB2 and SMB3 servers, via the 1 SMB2SESSIONFLAGISGUEST or 2 SMB2SESSIONFLAGISNULL flag...

CVE-2016-2119

libcli/smb/smbXclibase.c in Samba 4.x before 4.2.14, 4.3.x before 4.3.11, and 4.4.x before 4.4.5 allows man-in-the-middle attackers to bypass a client-signing protection mechanism, and consequently spoof SMB2 and SMB3 servers, via the 1 SMB2SESSIONFLAGISGUEST or 2 SMB2SESSIONFLAGISNULL flag...

Design/Logic Flaw

libcli/smb/smbXclibase.c in Samba 4.x before 4.2.14, 4.3.x before 4.3.11, and 4.4.x before 4.4.5 allows man-in-the-middle attackers to bypass a client-signing protection mechanism, and consequently spoof SMB2 and SMB3 servers, via the 1 SMB2SESSIONFLAGISGUEST or 2 SMB2SESSIONFLAGISNULL flag...

CVE-2016-2119

libcli/smb/smbXclibase.c in Samba 4.x before 4.2.14, 4.3.x before 4.3.11, and 4.4.x before 4.4.5 allows man-in-the-middle attackers to bypass a client-signing protection mechanism, and consequently spoof SMB2 and SMB3 servers, via the 1 SMB2SESSIONFLAGISGUEST or 2 SMB2SESSIONFLAGISNULL flag...

CVE-2016-2119

libcli/smb/smbXclibase.c in Samba 4.x before 4.2.14, 4.3.x before 4.3.11, and 4.4.x before 4.4.5 allows man-in-the-middle attackers to bypass a client-signing protection mechanism, and consequently spoof SMB2 and SMB3 servers, via the 1 SMB2SESSIONFLAGISGUEST or 2 SMB2SESSIONFLAGISNULL flag...

Client side SMB2/3 required signing can be downgraded

Description It's possible for an attacker to downgrade the required signing for an SMB2/3 client connection, by injecting the SMB2SESSIONFLAGISGUEST or SMB2SESSIONFLAGISNULL flags. This means that the attacker can impersonate a server being connected to by Samba, and return malicious results. The...

samba -- client side SMB2/3 required signing can be downgraded

Samba team reports: A man in the middle attack can disable client signing over SMB2/3, even if enforced by configuration parameters...

Security update for samba (important)

This update for the samba server fixes the following issues: Security issue fixed: - CVE-2015-7560: Getting and setting Windows ACLs on symlinks can change permissions on link target; bso11648; bsc968222. Other bugs fixed: - Enable clustering CTDB support; bsc966271. - s3: smbd: Fix timestamp...

SUSE SLED12 / SLES12 Security Update : samba (SUSE-SU-2016:0816-1)

"This update for the samba server fixes the following issues : Security issue fixed : - CVE-2015-7560: Getting and setting Windows ACLs on symlinks can change permissions on link target; bso11648 %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this...

NetworkMiner 2.0 - Network Forensic Analysis Tool (NFAT)

NetworkMiner is a Network Forensic Analysis Tool NFAT for Windows but also works in Linux / Mac OS X / FreeBSD. NetworkMiner can be used as a passive network sniffer/packet capturing tool in order to detect operating systems, sessions, hostnames, open ports etc. without putting any traffic on the...