Archive for the ‘Security Guide’ Category

Buffer Overrun In RPCSS Service

Wednesday, August 1st, 2007 151 views

Three critical security vulnerabilities exist in the Remote Procedure Call (RPC) service that could allow an attacker to take any action on the system by sending a malformed RPC message to a vulnerable system. Issue Remote Procedure Call (RPC) is a protocol used by the Windows operating system. RPC provides an inter-process ...

Flaw in NetBIOS Could Lead to Information Disclosure

Wednesday, August 1st, 2007 155 views

A security vulnerability exists in the NetBIOS Name Service on Windows NT, 2000 and XP which could possibly allow a remote user to view random segments of memory on a user's computer. Issue Network basic input/output system (NetBIOS) is an application programming interface (API) that can be used by programs on a ...

What You Should Know About the Windows Blaster Worm

Wednesday, August 1st, 2007 154 views

A new worm known as W32.Blaster.Worm (also known as MBlaster, W32/Lovsan.worm, MSBlast, W32.blaster.worm, Win32.posa.worm, Win32.poza.worm) has been identified that is seeking to exploit the vulnerability that was addressed by a recent Microsoft Security Bulletin. Blaster is designed to launch a denial of service attack against Microsoft's Windows Update Web site. Issue Microsoft ...

Unchecked Buffer in Windows Shell

Wednesday, August 1st, 2007 171 views

An unchecked buffer exists in one of the functions used by the Windows XP shell which could allow a malicious user to construct an attack that could exploit this flaw and execute code on the system. Issue The Windows shell is responsible for providing the basic framework of the Windows user interface ...

Buffer Overrun In RPC Interface

Wednesday, August 1st, 2007 158 views

A major security vulnerability exists in the RPC Interface of Windows NT, 2000, XP and Windows Server 2003 which could allow a remote attacker to run the code of their choice on the system. This vulnerability has been exploited by the Blaster worm. Issue Remote Procedure Call (RPC) is a protocol used ...

Flaw in Windows Message Handling through Utility Manager

Wednesday, August 1st, 2007 254 views

A local privilege elevation vulnerability exists in Windows 2000 that could allow a user to gain Local System privileges by sending a specially crafted Windows message to the Utility Manager process. Issue Microsoft Windows 2000 contains support for Accessibility options within the operating system. Accessibility support is a series of assistive technologies ...

Buffer Overrun in Windows

Wednesday, August 1st, 2007 170 views

A security vulnerability exists in a networking components of Windows NT, 2000 and XP which could allow an attacker to execute code of their choice by sending a specially crafted SMB packet request. Issue Server Message Block (SMB) is the Internet Standard protocol that Windows uses to share files, printers, serial ports, ...

Microsoft Releases Windows 2000 Service Pack 4

Wednesday, August 1st, 2007 143 views

Windows 2000 Service Pack 4 (SP4) provides the latest updates to the Windows 2000 operating systems. These updates are a collection of fixes in the following areas: security, application compatibility, operating system reliability, and setup. Issue This service pack includes fully regression-tested versions of the patches for all security vulnerabilities affecting Windows ...

Buffer Overrun in Windows Kernel Message Handling

Wednesday, August 1st, 2007 218 views

A security vulnerability exists in the way the Windows kernel passes error messages to a debugger which could allow a local attacker to take any action on the system with full administrative privileges. Issue There is a flaw in the way the kernel passes error messages to a debugger. A vulnerability results ...

Flaw in RPC Endpoint Mapper

Wednesday, August 1st, 2007 147 views

A security vulnerabiliy in the Remote Procedure Call (RPC) endpoint mapper in Windows NT 4.0, 2000 and XP could allows a remote attacker to cause a denial of service by transmitting a malformed RPC message. Issue Remote Procedure Call (RPC) is a protocol used by the Windows operating system. RPC provides an ...