ISS Protection Brief: Multiple Microsoft Vulnerabilities - June 2005

From: X-Force (
Date: 06/14/05

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    Internet Security Systems Protection Brief
    June 14, 2005

    Multiple Microsoft Vulnerabilities - June 2005


    ISS X-Force is tracking a critical vulnerability in Microsoft's Server
    Message Block (SMB) implementation. SMB is used to implement file and
    printer sharing, as well as access to named pipes and mailslots on Windows.
    A remotely-exploitable buffer overflow in Microsoft's SMB driver can lead
    to remote compromise of affected machines.

    In addition, X-Force would like to highlight an issue in Outlook Express
    related to NNTP parsing. This issue could be used to compromise client
    systems if they were caused to parse untrusted NNTP responses.

    Business Impact:

    Compromise of networks and machines using Microsoft Windows may lead
    to exposure of confidential information, loss of productivity, and
    further network compromise. Successful exploitation of these
    vulnerabilities could be used to gain unauthorized access to networks
    and machines. No authentication is required for an attacker to leverage
    these vulnerabilities to compromise a network or machine. Windows
    installations are vulnerable in their default configurations.

    For the complete X-Force Protection Advisory, please visit:


    Internet Security Systems, Inc. (ISS) is the trusted expert to global
    enterprises and world governments, providing products and services
    that protect against Internet threats. An established world leader
    in security since 1994, ISS delivers proven cost efficiencies and
    reduces regulatory and business risk across the enterprise for
    more than 11,000 customers worldwide. ISS products and services
    are based on the proactive security intelligence conducted by ISS.
    X-ForceŽ research and development team . the unequivocal world
    authority in vulnerability and threat research. Headquartered
    in Atlanta, Internet Security Systems has additional operations
    throughout the Americas, Asia, Australia, Europe and the Middle East.

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