[NEWS] Mac OS-X Admin Service Buffer Overflow Vulnerability

From: SecuriTeam (support_at_securiteam.com)
Date: 03/24/04

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Date: 24 Mar 2004 10:19:04 +0200

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      Mac OS-X Admin Service Buffer Overflow Vulnerability
    ------------------------------------------------------------------------

    SUMMARY

    A security vulnerability exists in the admin service of Mac OS-X.
    Successful exploitation of the vulnerability will crash the service and if
    a specially crafted payload is sent, it can lead to arbitrary code
    execution.

    DETAILS

    Vulnerable Systems:
     * Mac OS-X server version 10.3

    When a very large chunk of data is sent to the GUI admin service (TCP port
    660) it will crash the service. This is similar to a classic buffer
    overflow vulnerability although as of now there is no exploit code
    available.

    In order to test for this vulnerability, the following command can be
    used:

    $ perl -e 'print "A"x2057' | nc <host> 660 -q0

    Note that the service will restart after it crashes.

    ADDITIONAL INFORMATION

    The information has been provided by
    <mailto:programming_rocks1@hotmail.com> Jack C ("crEp").

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