Microsoft Windows: Network security: LAN Manager authentication level

This security setting determines which challenge/response authentication protocol is used for network logons. This choice affects the level of authentication protocol used by clients, the level of session security negotiated, and the level of authentication accepted by servers as follows: - Send ...

April 17, 2018—KB4093121 (Preview of Monthly Rollup)

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OpenJDK: improper re-use of NTLM authenticated connections (Networking, 8163520)

It was discovered that the HTTP client implementation in the Networking component of OpenJDK could cache and re-use an NTLM authenticated connection in a different security context. A remote attacker could possibly use this flaw to make a Java application perform HTTP requests authenticated with...

Haxx curl and libcurl buffer overflow vulnerability

Haxx curl and libcurl are both products of the Swedish company Haxx. curl is a set of file transfer tools that utilize URL syntax to work at the command line. libcurl is a free, open source client-side URL transfer library. A buffer overflow vulnerability exists in the NTLM authentication feature...

Optional Windows NTLM SSO authentication changes

Microsoft is releasing an optional security enhancement to NT LAN Manager NTLM, limiting which network resources various clients in the Windows 10 or the Windows Server 2016 operating systems can use NTLM Single Sign OnSSO as an authentication method. When you deploy the new security enhancement...

NTLM, LDAP&RDP Relay vulnerability analysis-vulnerability warning-the black bar safety net

Over the past few months, the Preempt research team found and reported two of Microsoft's NT LAN Manager NTLM vulnerability. These vulnerabilities have the same problem, IE NTLM does not correctly handle two different protocols. These issues are very important, because even turn on LDAP server...

Microsoft Windows Server 2012 Multiple Vulnerabilities (KB4025331)

This host is missing a critical security update according to Microsoft KB4025331 SPDX-FileCopyrightText: 2017 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...

CVE-2017-8563

Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an elevation of privilege vulnerability due to Kerberos falling back to NT LAN Manager NTLM Authentication...

Privilege escalation

Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an elevation of privilege vulnerability due to Kerberos falling back to NT LAN Manager NTLM Authentication...

OpenJDK: improper re-use of NTLM authenticated connections (Networking, 8163520)

It was discovered that the HTTP client implementation in the Networking component of OpenJDK could cache and re-use an NTLM authenticated connection in a different security context. A remote attacker could possibly use this flaw to make a Java application perform HTTP requests authenticated with...

OpenJDK: improper re-use of NTLM authenticated connections (Networking, 8163520)

It was discovered that the HTTP client implementation in the Networking component of OpenJDK could cache and re-use an NTLM authenticated connection in a different security context. A remote attacker could possibly use this flaw to make a Java application perform HTTP requests authenticated with...

OpenJDK: improper re-use of NTLM authenticated connections (Networking, 8163520)

It was discovered that the HTTP client implementation in the Networking component of OpenJDK could cache and re-use an NTLM authenticated connection in a different security context. A remote attacker could possibly use this flaw to make a Java application perform HTTP requests authenticated with...

OpenJDK: improper re-use of NTLM authenticated connections (Networking, 8163520)

It was discovered that the HTTP client implementation in the Networking component of OpenJDK could cache and re-use an NTLM authenticated connection in a different security context. A remote attacker could possibly use this flaw to make a Java application perform HTTP requests authenticated with...

OpenJDK: improper re-use of NTLM authenticated connections (Networking, 8163520)

It was discovered that the HTTP client implementation in the Networking component of OpenJDK could cache and re-use an NTLM authenticated connection in a different security context. A remote attacker could possibly use this flaw to make a Java application perform HTTP requests authenticated with...

OpenJDK: improper re-use of NTLM authenticated connections (Networking, 8163520)

It was discovered that the HTTP client implementation in the Networking component of OpenJDK could cache and re-use an NTLM authenticated connection in a different security context. A remote attacker could possibly use this flaw to make a Java application perform HTTP requests authenticated with...

The vulnerability of the Windows operating system, which allows a hacker to increase their privileges

The vulnerability of the Windows operating system arises from the improper handling of NTLM password change requests. Exploiting this vulnerability allows a local attacker to enhance their privileges through a specially created application...

CVE-2016-7238

Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, and 1607, and Windows Server 2016 mishandle caching for NTLM password-change requests, which allows local users to gain privileges v...

The vulnerability of the Windows operating system, which allows a hacker to crack the password

The vulnerability of the Windows operating system is related to incorrect checking of NTLM SSO requests for MSAs. Exploiting this vulnerability allows a malicious actor to select a password by using brute-force attacks on NTLM password hashes...

UBUNTU-CVE-2016-5166

The download implementation in Google Chrome before 53.0.2785.89 on Windows and OS X and before 53.0.2785.92 on Linux does not properly restrict saving a file:// URL that is referenced by an http:// URL, which makes it easier for user-assisted remote attackers to discover NetNTLM hashes and condu...

CVE-2016-3237

Kerberos in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allows man-in-the-middle attackers to bypass authentication via vectors related to a fallback to NTLM...