Mandrake alert: xchat update

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________________________________________________________________________

                Mandrake Linux Security Update Advisory
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Package name:           xchat
Advisory ID:            MDKSA-2002:006
Date:                   January 17th, 2002
Affected versions:      7.1, 7.2, 8.0, 8.1, Corporate Server 1.0.1
________________________________________________________________________

Problem Description:

 zen-parse discovered a problem in versions 1.4.2 and 1.4.3 of xchat
 that could allow a malicious user to send commands to the IRC server
 they are on which would take advantage of the CTCP PING reply handler
 in xchat.  This could be used for denial of service, channel takeovers,
 and other similar attacks.  The problem exists in 1.6 and 1.8 versions,
 however it is controlled by the "percascii" variable which defaults to
 0.  It "percascii" is set to 1, the problem is exploitable.  This
 vulnerability has been fixed upstream in version 1.8.7.
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References:

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Updated Packages:

 Linux-Mandrake 7.1:
 27fa0b00644a3d6ebb11b668bf6f1e8e  7.1/RPMS/xchat-1.8.7-1.3mdk.i586.rpm
 e65886af7b35ddc185e14df38213c8c4  7.1/SRPMS/xchat-1.8.7-1.3mdk.src.rpm

 Linux-Mandrake 7.2:
 c014496faa8a5889a00b545612bc66de  7.2/RPMS/xchat-1.8.7-1.2mdk.i586.rpm
 c7a219059a88152e634b9cb36a1cee0f  7.2/SRPMS/xchat-1.8.7-1.2mdk.src.rpm

 Mandrake Linux 8.0:
 54e0b792297002e075a775ff66b47184  8.0/RPMS/xchat-1.8.7-1.1mdk.i586.rpm
 6a55c811c3795de0f38c4f3e946edecf  8.0/SRPMS/xchat-1.8.7-1.1mdk.src.rpm

 Mandrake Linux 8.0/ppc:
 0fb9eb64dc80e07e8ddb25bad8adb8fc  ppc/8.0/RPMS/xchat-1.8.7-1.1mdk.ppc.rpm
 6a55c811c3795de0f38c4f3e946edecf  ppc/8.0/SRPMS/xchat-1.8.7-1.1mdk.src.rpm

 Mandrake Linux 8.1:
 d9c2e6756586964aceceb3b23fd0bb38  8.1/RPMS/xchat-1.8.7-1.1mdk.i586.rpm
 6a55c811c3795de0f38c4f3e946edecf  8.1/SRPMS/xchat-1.8.7-1.1mdk.src.rpm

 Mandrake Linux 8.1/ia64:
 b96628062c40d86765ef77fa051fcb86  ia64/8.1/RPMS/xchat-1.8.7-1.1mdk.ia64.rpm
 6a55c811c3795de0f38c4f3e946edecf  ia64/8.1/SRPMS/xchat-1.8.7-1.1mdk.src.rpm

 Corporate Server 1.0.1:
 27fa0b00644a3d6ebb11b668bf6f1e8e  1.0.1/RPMS/xchat-1.8.7-1.3mdk.i586.rpm
 e65886af7b35ddc185e14df38213c8c4  1.0.1/SRPMS/xchat-1.8.7-1.3mdk.src.rpm
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Bug IDs fixed (see https://qa.mandrakesoft.com for more information):

________________________________________________________________________

To upgrade automatically, use MandrakeUpdate.  The verification of md5
checksums and GPG signatures is performed automatically for you.

If you want to upgrade manually, download the updated package from one 
of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm".  A list of
FTP mirrors can be obtained from:

  http://www.mandrakesecure.net/en/ftp.php

Please verify the update prior to upgrading to ensure the integrity of
the downloaded package.  You can do this with the command:

  rpm --checksig <filename>

All packages are signed by MandrakeSoft for security.  You can obtain
the GPG public key of the Mandrake Linux Security Team from:

  https://www.mandrakesecure.net/RPM-GPG-KEYS

Please be aware that sometimes it takes the mirrors a few hours to 
update.

You can view other update advisories for Mandrake Linux at:

  http://www.mandrakesecure.net/en/advisories/

MandrakeSoft has several security-related mailing list services that
anyone can subscribe to.  Information on these lists can be obtained by
visiting:

  http://www.mandrakesecure.net/en/mlist.php

If you want to report vulnerabilities, please contact

  security@linux-mandrake.com
________________________________________________________________________

Type Bits/KeyID     Date       User ID
pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team
  <security@linux-mandrake.com>


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