[Full-disclosure] [ GLSA 200508-03 ] nbSMTP: Format string vulnerability

From: Thierry Carrez (koon_at_gentoo.org)
Date: 08/02/05

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    Gentoo Linux Security Advisory GLSA 200508-03
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                                                http://security.gentoo.org/
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      Severity: Normal
         Title: nbSMTP: Format string vulnerability
          Date: August 02, 2005
          Bugs: #100274
            ID: 200508-03

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    Synopsis
    ========

    nbSMTP is vulnerable to a format string vulnerability which may result
    in remote execution of arbitrary code.

    Background
    ==========

    nbSMTP is an SMTP client suitable to run in chroot jails, in embedded
    systems, laptops and workstations.

    Affected packages
    =================

        -------------------------------------------------------------------
         Package / Vulnerable / Unaffected
        -------------------------------------------------------------------
      1 mail-mta/nbsmtp < 1.00 >= 1.00

    Description
    ===========

    Niels Heinen discovered a format string vulnerability.

    Impact
    ======

    An attacker can setup a malicious SMTP server and exploit this
    vulnerability to execute arbitrary code with the permissions of the
    user running nbSMTP.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All nbSMTP users should upgrade to the latest version:

        # emerge --sync
        # emerge --ask --oneshot --verbose ">=mail-mta/nbsmtp-1.0"

    References
    ==========

      [ 1 ] nbSMTP official site
            http://nbsmtp.ferdyx.org/

    Availability
    ============

    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:

      http://security.gentoo.org/glsa/glsa-200508-03.xml

    Concerns?
    =========

    Security is a primary focus of Gentoo Linux and ensuring the
    confidentiality and security of our users machines is of utmost
    importance to us. Any security concerns should be addressed to
    security@gentoo.org or alternatively, you may file a bug at
    http://bugs.gentoo.org.

    License
    =======

    Copyright 2005 Gentoo Foundation, Inc; referenced text
    belongs to its owner(s).

    The contents of this document are licensed under the
    Creative Commons - Attribution / Share Alike license.

    http://creativecommons.org/licenses/by-sa/2.0

    
    

    
    

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