Cisco Firepower System Software Server Message Block Version 2 File Policy Bypass Vulnerability

A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass a file policy that is configured to block the Server Message Block Version 2 SMB2 protocol. The vulnerability is due to the incorrect detection of an SMB2 file when...

Amazon Linux AMI : samba (ALAS-2017-909)

Server memory information leak over SMB1 : An information leak flaw was found in the way SMB1 protocol was implemented by Samba. A malicious client could use this flaw to dump server memory contents to a file on the samba share or to a shared printer, though the exact area of server memory cannot...

Samba information leak flaws vulnerability is a bug vulnerability number CVE–2017–12163 in advance prevention publicity-vulnerability warning-the black bar safety net

Samba as a Linux and UNIX system implemented on the SMB Protocol is a freeware software in thenix category have a very wide range of application scenarios. Recently, the 360 Gear Team the security researchereven a Han,Hu JI-binfound that Samba SMB1 Protocol there is a security flaw, the attacker...

Security fix for the ALT Linux 8 package samba-DC version 4.6.8-alt1

Sept. 20, 2017 Evgeny Sinelnikov 4.6.8-alt1 - Update for autumn security release: + CVE-2017-12150 SMB1/2/3 connections may not require signing where they should + CVE-2017-12151 SMB3 connections don't keep encryption across DFS redirects + CVE-2017-12163 Server memory information leak over SMB1...

Security fix for the ALT Linux 10 package samba version 4.6.8-alt1.S1

Sept. 20, 2017 Evgeny Sinelnikov 4.6.8-alt1.S1 - Update for autumn security release: + CVE-2017-12150 SMB1/2/3 connections may not require signing where they should + CVE-2017-12151 SMB3 connections don't keep encryption across DFS redirects + CVE-2017-12163 Server memory information leak over SM...

UPDATE: Nmap 7.60 Now Available!

PenTestIT RSS Feed About a month and half ago, Nmap 7.50 was released. Today, a few minutes ago - Nmap 7.60 was made available with SSH support, improved SMB2/SMB3 support by Paulino Calderon @calderpwn, addition of 14 NSE scripts and a new Npcap version. Nmap is now the default tool to discover...

smb2-vuln-uptime NSE Script

Attempts to detect missing patches in Windows systems by checking the uptime returned during the SMB2 protocol negotiation. SMB2 protocol negotiation response returns the system boot time pre-authentication. This information can be used to determine if a system is missing critical patches without...

smb2-time NSE Script

Attempts to obtain the current system date and the start date of a SMB2 server. Script Arguments randomseed, smbbasic, smbport, smbsign See the documentation for the smb library. smbdomain, smbhash, smbnoguest, smbpassword, smbtype, smbusername See the documentation for the smbauth library. Examp...

Introducing RubySMB: The Protocol Library Nobody Else Wanted To Write

The Server Message Block SMB protocol family is arguably one of the most important network protocols to be conversant in as a security professional. It carries the capability for File and Print Sharing, remote process execution, and an entire system of Named Pipes that serve as access points to a...

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...

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...