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,...

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...

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";...

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...

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...

Security update for ldb, samba, talloc, tdb, tevent (important)

This update for ldb, samba, talloc, tdb, tevent fixes the following security issues and bugs: The Samba LDB was updated to version 1.1.24: - Fix ldap \00 search expression attack dos; CVE-2015-3223; bso11325 - Fix remote read memory exploit in ldb; CVE-2015-5330; bso11599 - Move ldbunpackdata int...

MS15-027: Vulnerability in NETLOGON could allow spoofing: March 10, 2015

None None...

Microsoft Windows SRV2.SYS SMB Negotiate ProcessID Function Table Dereference (MS09-050)

No description provided by source. Microsoft SRV2.SYS SMB Negotiate ProcessID Function Table Dereference --------------------------------------------------------------------- Exploited by Piotr Bania // www.piotrbania.com Exploit for Vista SP2/SP1 only, should be reliable! Tested on: Vista sp2...

Windows SMB2 Negotiate Protocol (0x72) Response DoS

No description provided by source...

openSUSE Security Update : samba (openSUSE-SU-2013:1787-1)

"the following security issues were fixed in samba : - ACLs are not checked on opening an alternate data stream on a file or directory; CVE-2013-4475; bso10229 %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from openSUSE...

samba -- ACLs are not checked on opening an alternate data stream on a file or directory

The Samba project reports: Samba versions 3.2.0 and above all versions of 3.2.x, 3.3.x, 3.4.x, 3.5.x, 3.6.x, 4.0.x and 4.1.x do not check the underlying file or directory ACL when opening an alternate data stream. According to the SMB1 and SMB2+ protocols the ACL on an underlying file or director...