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[RHSA-2003:020-10] Updated kerberos packages fix vulnerability in ftp client


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Date: Fri, 31 Jan 2003 03:43 -0500
From: [email protected]
To: [email protected], [email protected]
Subject: [RHSA-2003:020-10] 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-2003:020-10
Issue date:        2003-01-31
Updated on:        2003-01-31
Product:           Red Hat Linux
Ключевые слова: , , , , , , , , , krb5, ftp, netkit,  (найти похожие документы)
Cross references:=20=20 Obsoletes: RHSA-2002:242 CVE Names: CAN-2003-0041 --------------------------------------------------------------------- 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.r= pm 63ad9195b138e7dd65057aa298f8b085 6.2/en/os/i386/krb5-workstation-1.1.1-32.i= 386.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.r= pm 94ed04976632fbfb45fed0cb1fe39176 7.0/en/os/i386/krb5-workstation-1.2.2-16.i= 386.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.r= pm 94ed04976632fbfb45fed0cb1fe39176 7.1/en/os/i386/krb5-workstation-1.2.2-16.i= 386.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.r= pm 94ed04976632fbfb45fed0cb1fe39176 7.2/en/os/i386/krb5-workstation-1.2.2-16.i= 386.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.r= pm 6048f3c9244988cba98faf1393c27723 7.2/en/os/ia64/krb5-workstation-1.2.2-16.i= a64.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.i3= 86.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.i3= 86.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: =20=20=20=20 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: =20=20=20=20 md5sum <filename> 7. References: http://www.kb.cert.org/vuls/id/258721 http://marc.theaimsgroup.com/?l=3Dbugtraq&m=3D87602746719482 http://marc.theaimsgroup.com/?l=3Dbugtraq&m=3D87602746719527 http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCAN-2003-0041 8. Contact: The Red Hat security contact is <[email protected]>. More contact details at http://www.redhat.com/solutions/security/news/contact.html Copyright 2003 Red Hat, Inc.

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