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Message-ID: <200301310839.h0V8dQZ23615@porkchop.devel.redhat.com>
From: bugzilla at redhat.com (bugzilla@...hat.com)
Subject: [RHSA-2003:020-09] Updated kerberos packages fix vulnerability in ftp client
---------------------------------------------------------------------
Red Hat, Inc. Red Hat Security Advisory
Synopsis: Updated kerberos packages fix vulnerability in ftp client
Advisory ID: RHSA-2003:020-09
Issue date: 2003-01-31
Updated on: 2003-01-28
Product: Red Hat Linux
Keywords: krb5 ftp netkit
Cross references:
Obsoletes: RHSA-2002:242
CVE Names: CVE-1999-0097
---------------------------------------------------------------------
1. Topic:
Updated packages fix a vulnerability found in the Kerberos ftp client
distributed with the Red Hat Linux krb5 packages.
2. Relevant releases/architectures:
Red Hat Linux 6.2 - i386
Red Hat Linux 7.0 - i386
Red Hat Linux 7.1 - i386
Red Hat Linux 7.2 - i386, ia64
Red Hat Linux 7.3 - i386
Red Hat Linux 8.0 - i386
3. Problem description:
Kerberos is a network authentication system.
A problem has been found in the Kerberos ftp client. When retrieving a
file with a filename beginning with a pipe character, the ftp client will
pass the filename to the command shell in a system() call. This could
allow a malicious ftp server to write to files outside of the current
directory or execute commands as the user running the ftp client.
The Kerberos ftp client runs as the default ftp client when the Kerberos
package krb5-workstation is installed on a Red Hat Linux distribution.
All users of Kerberos are advised to upgrade to these errata packages which
contain a backported patch and are not vulnerable to this issue.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
5. RPMs required:
Red Hat Linux 6.2:
SRPMS:
ftp://updates.redhat.com/6.2/en/os/SRPMS/krb5-1.1.1-32.src.rpm
i386:
ftp://updates.redhat.com/6.2/en/os/i386/krb5-configs-1.1.1-32.i386.rpm
ftp://updates.redhat.com/6.2/en/os/i386/krb5-devel-1.1.1-32.i386.rpm
ftp://updates.redhat.com/6.2/en/os/i386/krb5-libs-1.1.1-32.i386.rpm
ftp://updates.redhat.com/6.2/en/os/i386/krb5-server-1.1.1-32.i386.rpm
ftp://updates.redhat.com/6.2/en/os/i386/krb5-workstation-1.1.1-32.i386.rpm
Red Hat Linux 7.0:
SRPMS:
ftp://updates.redhat.com/7.0/en/os/SRPMS/krb5-1.2.2-16.src.rpm
i386:
ftp://updates.redhat.com/7.0/en/os/i386/krb5-devel-1.2.2-16.i386.rpm
ftp://updates.redhat.com/7.0/en/os/i386/krb5-libs-1.2.2-16.i386.rpm
ftp://updates.redhat.com/7.0/en/os/i386/krb5-server-1.2.2-16.i386.rpm
ftp://updates.redhat.com/7.0/en/os/i386/krb5-workstation-1.2.2-16.i386.rpm
Red Hat Linux 7.1:
SRPMS:
ftp://updates.redhat.com/7.1/en/os/SRPMS/krb5-1.2.2-16.src.rpm
i386:
ftp://updates.redhat.com/7.1/en/os/i386/krb5-devel-1.2.2-16.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/krb5-libs-1.2.2-16.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/krb5-server-1.2.2-16.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/krb5-workstation-1.2.2-16.i386.rpm
Red Hat Linux 7.2:
SRPMS:
ftp://updates.redhat.com/7.2/en/os/SRPMS/krb5-1.2.2-16.src.rpm
i386:
ftp://updates.redhat.com/7.2/en/os/i386/krb5-devel-1.2.2-16.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/krb5-libs-1.2.2-16.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/krb5-server-1.2.2-16.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/krb5-workstation-1.2.2-16.i386.rpm
ia64:
ftp://updates.redhat.com/7.2/en/os/ia64/krb5-devel-1.2.2-16.ia64.rpm
ftp://updates.redhat.com/7.2/en/os/ia64/krb5-libs-1.2.2-16.ia64.rpm
ftp://updates.redhat.com/7.2/en/os/ia64/krb5-server-1.2.2-16.ia64.rpm
ftp://updates.redhat.com/7.2/en/os/ia64/krb5-workstation-1.2.2-16.ia64.rpm
Red Hat Linux 7.3:
SRPMS:
ftp://updates.redhat.com/7.3/en/os/SRPMS/krb5-1.2.4-4.src.rpm
i386:
ftp://updates.redhat.com/7.3/en/os/i386/krb5-devel-1.2.4-4.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/krb5-libs-1.2.4-4.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/krb5-server-1.2.4-4.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/krb5-workstation-1.2.4-4.i386.rpm
Red Hat Linux 8.0:
SRPMS:
ftp://updates.redhat.com/8.0/en/os/SRPMS/krb5-1.2.5-8.src.rpm
i386:
ftp://updates.redhat.com/8.0/en/os/i386/krb5-devel-1.2.5-8.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/krb5-libs-1.2.5-8.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/krb5-server-1.2.5-8.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/krb5-workstation-1.2.5-8.i386.rpm
6. Verification:
MD5 sum Package Name
--------------------------------------------------------------------------
7de192f207e97710837dfdc18dc8be0b 6.2/en/os/SRPMS/krb5-1.1.1-32.src.rpm
4336912a27f2bc883f29ac6d05b6c154 6.2/en/os/i386/krb5-configs-1.1.1-32.i386.rpm
18bdb726d9f38dbc792d5f15bc9db723 6.2/en/os/i386/krb5-devel-1.1.1-32.i386.rpm
6200ee5d3f15a46e5cd3ff2861c881c0 6.2/en/os/i386/krb5-libs-1.1.1-32.i386.rpm
fc652d6f61443bc540ba290f69be2253 6.2/en/os/i386/krb5-server-1.1.1-32.i386.rpm
63ad9195b138e7dd65057aa298f8b085 6.2/en/os/i386/krb5-workstation-1.1.1-32.i386.rpm
616cdc7ef0e0e21ea841d0094c907e0a 7.0/en/os/SRPMS/krb5-1.2.2-16.src.rpm
a0828c84238c35f745a4e536ae0a9d28 7.0/en/os/i386/krb5-devel-1.2.2-16.i386.rpm
6a417b3633390567e24c8236d0a428aa 7.0/en/os/i386/krb5-libs-1.2.2-16.i386.rpm
ee80b17f8d07a416f615e18982bab8f8 7.0/en/os/i386/krb5-server-1.2.2-16.i386.rpm
94ed04976632fbfb45fed0cb1fe39176 7.0/en/os/i386/krb5-workstation-1.2.2-16.i386.rpm
616cdc7ef0e0e21ea841d0094c907e0a 7.1/en/os/SRPMS/krb5-1.2.2-16.src.rpm
a0828c84238c35f745a4e536ae0a9d28 7.1/en/os/i386/krb5-devel-1.2.2-16.i386.rpm
6a417b3633390567e24c8236d0a428aa 7.1/en/os/i386/krb5-libs-1.2.2-16.i386.rpm
ee80b17f8d07a416f615e18982bab8f8 7.1/en/os/i386/krb5-server-1.2.2-16.i386.rpm
94ed04976632fbfb45fed0cb1fe39176 7.1/en/os/i386/krb5-workstation-1.2.2-16.i386.rpm
616cdc7ef0e0e21ea841d0094c907e0a 7.2/en/os/SRPMS/krb5-1.2.2-16.src.rpm
a0828c84238c35f745a4e536ae0a9d28 7.2/en/os/i386/krb5-devel-1.2.2-16.i386.rpm
6a417b3633390567e24c8236d0a428aa 7.2/en/os/i386/krb5-libs-1.2.2-16.i386.rpm
ee80b17f8d07a416f615e18982bab8f8 7.2/en/os/i386/krb5-server-1.2.2-16.i386.rpm
94ed04976632fbfb45fed0cb1fe39176 7.2/en/os/i386/krb5-workstation-1.2.2-16.i386.rpm
d3eac1b4295ee369dcfd9995a0e45b37 7.2/en/os/ia64/krb5-devel-1.2.2-16.ia64.rpm
ef40911979476a6eb1e5478ac7c47fea 7.2/en/os/ia64/krb5-libs-1.2.2-16.ia64.rpm
b75832522f7ea9947be50798ef26b779 7.2/en/os/ia64/krb5-server-1.2.2-16.ia64.rpm
6048f3c9244988cba98faf1393c27723 7.2/en/os/ia64/krb5-workstation-1.2.2-16.ia64.rpm
3969cabccac559df1e3dcb52053c4027 7.3/en/os/SRPMS/krb5-1.2.4-4.src.rpm
6aec2391885a30736e5e1de4a771dc2f 7.3/en/os/i386/krb5-devel-1.2.4-4.i386.rpm
722ab734d6ce600dd80bba2486d8a140 7.3/en/os/i386/krb5-libs-1.2.4-4.i386.rpm
6b5f820a689f7298d31258df42940216 7.3/en/os/i386/krb5-server-1.2.4-4.i386.rpm
342240d400ec1a1538d04da1d223bbf6 7.3/en/os/i386/krb5-workstation-1.2.4-4.i386.rpm
eea7b6df4f894efbdd94bac8be3f917d 8.0/en/os/SRPMS/krb5-1.2.5-8.src.rpm
9e91371e397a6eec059a1b5e3139f3ef 8.0/en/os/i386/krb5-devel-1.2.5-8.i386.rpm
a830d26d187e18be678ee12722eec485 8.0/en/os/i386/krb5-libs-1.2.5-8.i386.rpm
fd353f875ea9edc4375af13ba80ae38f 8.0/en/os/i386/krb5-server-1.2.5-8.i386.rpm
70b04bf0aa7662af6704ce0223ebb914 8.0/en/os/i386/krb5-workstation-1.2.5-8.i386.rpm
These packages are GPG signed by Red Hat, Inc. for security. Our key
is available at http://www.redhat.com/about/contact/pgpkey.html
You can verify each package with the following command:
rpm --checksig -v <filename>
If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
md5sum <filename>
7. References:
http://www.kb.cert.org/vuls/id/258721
http://marc.theaimsgroup.com/?l=bugtraq&m=87602746719482
http://marc.theaimsgroup.com/?l=bugtraq&m=87602746719527
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-1999-0097
8. Contact:
The Red Hat security contact is <security@...hat.com>. More contact
details at http://www.redhat.com/solutions/security/news/contact.html
Copyright 2003 Red Hat, Inc.
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