Após ter investigado relatórios públicos, Microsoft publicou Segurança 951306 consultivos de Microsoft, que descreve um vulnerability que afete versões múltiplas de Windows (bloco including 2 do serviço profissional de Windows XP, todas as versões e edições suportadas do usuário 2003 de Windows, Windows Vista, bloco 1 do serviço de Windows Vista, e usuário 2008 de Windows.)

A falha de segurança recentemente encontrada poderia potencial permitir que um usuário local malicioso (quem tem o authentication) execute o código especialmente crafted para levantar seu nível do privilégio para LocalSystem. O usuário de IIS e de SQL é os vetores do ataque principal. Mas outros vetores são possíveis, como o coordenador distribuído Microsoft da transação (MSDTC) no usuário 2003 de Windows.

Os olhares do vulnerability como ele permitem bàsicamente todo o processo que tiver o SeImpersonatePrivilege para executar algum código e impersonate LocalSystem (que tem a AUTORIDADE do NT \ SISTEMA SID e uma riqueza dos privilégios em seu símbolo). Para Windows 2003 e além dos usuários concedeu que o privilégio está nos serviços de rede, em serviços locais, em grupos locais do sistema, e dos administradores. Em Vista/usuário 2008 você adicionalmente não terá o privilégio a menos que você elevated. Isso reduz felizmente o espaço deste vulnerability de outra maneira altamente sério, embora não é ainda bonito.

It must be noted however  Microsoft stated in its advisory that- “Hosting providers may be at increased

Ever since i made the change to Vista I have noticed that the browsing of network folders  on my network was slow-with OR without connecting through a domain (esp When browsing Windows Server 2003 shared folders).

When opening the network folder your computer displays straight away but there is  5-6+ second wait before other network computers & shares are displayed…

So what to do? The fix involves changing two settings from the command prompt. You need to run the command prompt as an administrator. You can do this by right-clicking and selecting run as administrator. Type in the following commands:

netsh int tcp set global autotuninglevel=disabled
netsh int tcp set global rss=disabled

You will need to restart your machine afterwards. The difference is night and day. I wonder what the reasoning was for not having Vista set like this out of the box?If you are unhappy with the changes you can restore the default settings with

netsh int tcp set global autotuninglevel=normal
netsh int tcp set global rss=enabled

 I saw this fix over at Excalibur Partners

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Written by Patrick S on April 22nd, 2008 with no comments.
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