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Mandrake: 'libgtop' Remote format string vulnerability Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
Mandrake A remote format string vulnerability was found in the libgtop daemon by Laboratory intexxia. By sending a specially crafted format string to the server, a remote attacker could potentially execute arbitrary code on the remote system with the daemon's permissions.

________________________________________________________________________

                Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name:           libgtop
Date:                   December 19th, 2001
Advisory ID:            MDKSA-2001:094

Affected versions:      7.1, 7.2, 8.0, 8.1, Corporate Server 1.0.1
________________________________________________________________________

Problem Description:

 A remote format string vulnerability was found in the libgtop daemon by
 Laboratory intexxia.  By sending a specially crafted format string to
 the server, a remote attacker could potentially execute arbitrary code
 on the remote system with the daemon's permissions.  By default libgtop
 runs as the user nobody, but the flaw could be used to compromise local
 system security by allowing the attacker to exploit other local
 vulnerabilities.  A buffer overflow was also found by Flavio Veloso
 which could allow the client to execute code on the server.  Both
 vulnerabilities are patched in this update and will be fixed upstream
 in version 1.0.14.  libgtop_daemon is not invoked by default anywhere
 in Mandrake Linux.
________________________________________________________________________

References:

   http://www.securityfocus.com/bid/3594
________________________________________________________________________

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

  rpm --checksig package.rpm

You can get the GPG public key of the Mandrake Linux Security Team at:

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

If you use MandrakeUpdate, the verification of md5 checksum and GPG
signature is performed automatically for you.

Linux-Mandrake 7.1:
4460a5e35ae7d547298577edeff6f599  7.1/RPMS/libgtop-1.0.7-0.2mdk.i586.rpm
f9475e8907edcc20aade65e50829f609  7.1/RPMS/libgtop-devel-1.0.7-0.2mdk.i586.rpm
597321a95fbf7bc1e23510f478fb78e5  7.1/SRPMS/libgtop-1.0.7-0.2mdk.src.rpm

Linux-Mandrake 7.2:
a7884a2c6af568510428aa02a354a30c  7.2/RPMS/libgtop-1.0.9-5.1mdk.i586.rpm
00d86824f66784890e348752144a476f  7.2/RPMS/libgtop-devel-1.0.9-5.1mdk.i586.rpm
6515e7d2a32b750062833cb59dbc64e7  7.2/SRPMS/libgtop-1.0.9-5.1mdk.src.rpm

Mandrake Linux 8.0:
2a063541aa9f9a100dd4c65b732224fd  8.0/RPMS/libgtop1-1.0.12-4.1mdk.i586.rpm
fb4cfb4b72e16121a6dab24e093b1de3  8.0/RPMS/libgtop1-devel-1.0.12-4.1mdk.i586.rpm
ae5c879fd1557cf964c4da572597ee94  8.0/SRPMS/libgtop-1.0.12-4.1mdk.src.rpm

Mandrake Linux 8.0 (PPC):
8e1dbba939c6281e22f57056dea4bb21  ppc/8.0/RPMS/libgtop1-1.0.12-4.1mdk.ppc.rpm
573688a8cdb56d2f07b8fc014784d036  ppc/8.0/RPMS/libgtop1-devel-1.0.12-4.1mdk.ppc.rpm
ae5c879fd1557cf964c4da572597ee94  ppc/8.0/SRPMS/libgtop-1.0.12-4.1mdk.src.rpm

Mandrake Linux 8.1:
20b663d5dd475a7fdc3a538f1a2a3eef  8.1/RPMS/libgtop1-1.0.12-4.1mdk.i586.rpm
0bcd19f280c7723e098918bbc68f52af  8.1/RPMS/libgtop1-devel-1.0.12-4.1mdk.i586.rpm
ae5c879fd1557cf964c4da572597ee94  8.1/SRPMS/libgtop-1.0.12-4.1mdk.src.rpm

Mandrake Linux 8.1 (IA64):
31f68bbde5ead6d8262c5b5cfb056918  ia64/8.1/RPMS/libgtop1-1.0.12-4.1mdk.ia64.rpm
c454857c349043d5f20b7b34d61fe1b2  ia64/8.1/RPMS/libgtop1-devel-1.0.12-4.1mdk.ia64.rpm
ae5c879fd1557cf964c4da572597ee94  ia64/8.1/SRPMS/libgtop-1.0.12-4.1mdk.src.rpm

Corporate Server 1.0.1:
4460a5e35ae7d547298577edeff6f599  1.0.1/RPMS/libgtop-1.0.7-0.2mdk.i586.rpm
f9475e8907edcc20aade65e50829f609  1.0.1/RPMS/libgtop-devel-1.0.7-0.2mdk.i586.rpm
597321a95fbf7bc1e23510f478fb78e5  1.0.1/SRPMS/libgtop-1.0.7-0.2mdk.src.rpm
________________________________________________________________________

Bug IDs fixed (see https://qa.mandrakesoft.com for more information):

________________________________________________________________________

Before applying this update, make sure all previously released updates
relevant to your system have been applied.  To upgrade automatically,
use MandrakeUpdate.

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

You can download the updates directly from one of the mirror sites
listed at:

   http://www.linux-mandrake.com/en/ftp.php3.

Updated packages are available in the "updates/[ver]/RPMS/" directory.
For example, if you are looking for an updated RPM package for
Mandrake Linux 8.1, look for it in "updates/8.1/RPMS/".  Updated source
RPMs are available as well, but you generally do not need to download
them.

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

You can view other security advisories for Mandrake Linux at:

   http://www.linux-mandrake.com/en/security/

If you want to report vulnerabilities, please contact

  security@linux-mandrake.com
________________________________________________________________________

Mandrake Linux 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
________________________________________________________________________

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


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