Mandrake alert: libgtop update

Posted by dave on Dec 19, 2001 7:31 PM EDT
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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.

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________________________________________________________________________

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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