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[RHSA-2001:154-06] Updated OpenSSH packages available


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Date: Fri, 30 Nov 2001 12:14 -0500
From: [email protected]
To: [email protected]
Subject: [RHSA-2001:154-06] Updated OpenSSH packages available
Cc: [email protected], [email protected], [email protected]

---------------------------------------------------------------------
                   Red Hat, Inc. Red Hat Security Advisory

Synopsis:          Updated OpenSSH packages available
Advisory ID:       RHSA-2001:154-06
Issue date:        2001-11-13
Updated on:        2001-11-30
Product:           Red Hat Linux
Ключевые слова: , , , , , , , , , openssh, restricted, commands, echo,  (найти похожие документы)
Cross references: Obsoletes: RHSA-2001:114 --------------------------------------------------------------------- 1. Topic: Updated OpenSSH packages are now available for Red Hat Linux 7, 7.1, and 7.2. These updates fix a bug in handling of restricted keys which may allow users to bypass command restrictions by using subsystems and a subtle bug which might aid a passive analysis attack. 2. Relevant releases/architectures: Red Hat Linux 7.0 - alpha, i386 Red Hat Linux 7.1 - alpha, i386, ia64 Red Hat Linux 7.2 - i386 3. Problem description: OpenSSH versions prior to 2.9.9, when configured to provide sftp access using the subsystem feature, allows remote authenticated users to bypass authorized_keys2 "command=" restrictions by using sftp commands. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2001-0816 to this issue. OpenSSH 2.9 also contained a subtle bug in the routines which attempt to confound an attacker using passive analysis, which would cause it to send two confounding packets instead of one when a client finished sending it a password. Red Hat would like to thank Solar Designer and Markus Friedl for assisting with the patches. 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. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info): 6. RPMs required: Red Hat Linux 7.0: SRPMS: ftp://updates.redhat.com/7.0/en/os/SRPMS/openssh-2.9p2-10.7.src.rpm alpha: ftp://updates.redhat.com/7.0/en/os/alpha/openssh-2.9p2-10.7.alpha.rpm ftp://updates.redhat.com/7.0/en/os/alpha/openssh-askpass-2.9p2-10.7.alpha.rpm ftp://updates.redhat.com/7.0/en/os/alpha/openssh-askpass-gnome-2.9p2-10.7.alpha.rpm ftp://updates.redhat.com/7.0/en/os/alpha/openssh-clients-2.9p2-10.7.alpha.rpm ftp://updates.redhat.com/7.0/en/os/alpha/openssh-server-2.9p2-10.7.alpha.rpm i386: ftp://updates.redhat.com/7.0/en/os/i386/openssh-2.9p2-10.7.i386.rpm ftp://updates.redhat.com/7.0/en/os/i386/openssh-askpass-2.9p2-10.7.i386.rpm ftp://updates.redhat.com/7.0/en/os/i386/openssh-askpass-gnome-2.9p2-10.7.i386.rpm ftp://updates.redhat.com/7.0/en/os/i386/openssh-clients-2.9p2-10.7.i386.rpm ftp://updates.redhat.com/7.0/en/os/i386/openssh-server-2.9p2-10.7.i386.rpm Red Hat Linux 7.1: SRPMS: ftp://updates.redhat.com/7.1/en/os/SRPMS/openssh-2.9p2-10.7.src.rpm alpha: ftp://updates.redhat.com/7.1/en/os/alpha/openssh-2.9p2-10.7.alpha.rpm ftp://updates.redhat.com/7.1/en/os/alpha/openssh-askpass-2.9p2-10.7.alpha.rpm ftp://updates.redhat.com/7.1/en/os/alpha/openssh-askpass-gnome-2.9p2-10.7.alpha.rpm ftp://updates.redhat.com/7.1/en/os/alpha/openssh-clients-2.9p2-10.7.alpha.rpm ftp://updates.redhat.com/7.1/en/os/alpha/openssh-server-2.9p2-10.7.alpha.rpm i386: ftp://updates.redhat.com/7.1/en/os/i386/openssh-2.9p2-10.7.i386.rpm ftp://updates.redhat.com/7.1/en/os/i386/openssh-askpass-2.9p2-10.7.i386.rpm ftp://updates.redhat.com/7.1/en/os/i386/openssh-askpass-gnome-2.9p2-10.7.i386.rpm ftp://updates.redhat.com/7.1/en/os/i386/openssh-clients-2.9p2-10.7.i386.rpm ftp://updates.redhat.com/7.1/en/os/i386/openssh-server-2.9p2-10.7.i386.rpm ia64: ftp://updates.redhat.com/7.1/en/os/ia64/openssh-2.9p2-10.7.ia64.rpm ftp://updates.redhat.com/7.1/en/os/ia64/openssh-askpass-2.9p2-10.7.ia64.rpm ftp://updates.redhat.com/7.1/en/os/ia64/openssh-askpass-gnome-2.9p2-10.7.ia64.rpm ftp://updates.redhat.com/7.1/en/os/ia64/openssh-clients-2.9p2-10.7.ia64.rpm ftp://updates.redhat.com/7.1/en/os/ia64/openssh-server-2.9p2-10.7.ia64.rpm Red Hat Linux 7.2: SRPMS: ftp://updates.redhat.com/7.2/en/os/SRPMS/openssh-2.9p2-11.src.rpm i386: ftp://updates.redhat.com/7.2/en/os/i386/openssh-2.9p2-11.i386.rpm ftp://updates.redhat.com/7.2/en/os/i386/openssh-askpass-2.9p2-11.i386.rpm ftp://updates.redhat.com/7.2/en/os/i386/openssh-askpass-gnome-2.9p2-11.i386.rpm ftp://updates.redhat.com/7.2/en/os/i386/openssh-clients-2.9p2-11.i386.rpm ftp://updates.redhat.com/7.2/en/os/i386/openssh-server-2.9p2-11.i386.rpm 7. Verification: MD5 sum Package Name -------------------------------------------------------------------------- 6aaf629a210dea1988e7631e60072681 7.0/en/os/SRPMS/openssh-2.9p2-10.7.src.rpm 340e97c4aa1b88cb83b29929d2031a8b 7.0/en/os/alpha/openssh-2.9p2-10.7.alpha.rpm 833c1efcc3f0b501b2f95dc0225a1110 7.0/en/os/alpha/openssh-askpass-2.9p2-10.7.alpha.rpm 6afbdb015d3ae72cf34c5005212ce14d 7.0/en/os/alpha/openssh-askpass-gnome-2.9p2-10.7.alpha.rpm 890b6a4623bd251cbb509e0f52976aa8 7.0/en/os/alpha/openssh-clients-2.9p2-10.7.alpha.rpm 38dcfb8105a2585eb66166509ffb8ec3 7.0/en/os/alpha/openssh-server-2.9p2-10.7.alpha.rpm 206678dd9fed4e895282fdf944026fd5 7.0/en/os/i386/openssh-2.9p2-10.7.i386.rpm 932b8383849cd3c72575026873e04b2a 7.0/en/os/i386/openssh-askpass-2.9p2-10.7.i386.rpm 451ad9f475a4816b7def9f4737a2910f 7.0/en/os/i386/openssh-askpass-gnome-2.9p2-10.7.i386.rpm e6aaa5454932133eb5140d5aa8694c23 7.0/en/os/i386/openssh-clients-2.9p2-10.7.i386.rpm 2e2c50953866c77510e320587b2b763a 7.0/en/os/i386/openssh-server-2.9p2-10.7.i386.rpm 6aaf629a210dea1988e7631e60072681 7.1/en/os/SRPMS/openssh-2.9p2-10.7.src.rpm 340e97c4aa1b88cb83b29929d2031a8b 7.1/en/os/alpha/openssh-2.9p2-10.7.alpha.rpm 833c1efcc3f0b501b2f95dc0225a1110 7.1/en/os/alpha/openssh-askpass-2.9p2-10.7.alpha.rpm 6afbdb015d3ae72cf34c5005212ce14d 7.1/en/os/alpha/openssh-askpass-gnome-2.9p2-10.7.alpha.rpm 890b6a4623bd251cbb509e0f52976aa8 7.1/en/os/alpha/openssh-clients-2.9p2-10.7.alpha.rpm 38dcfb8105a2585eb66166509ffb8ec3 7.1/en/os/alpha/openssh-server-2.9p2-10.7.alpha.rpm 206678dd9fed4e895282fdf944026fd5 7.1/en/os/i386/openssh-2.9p2-10.7.i386.rpm 932b8383849cd3c72575026873e04b2a 7.1/en/os/i386/openssh-askpass-2.9p2-10.7.i386.rpm 451ad9f475a4816b7def9f4737a2910f 7.1/en/os/i386/openssh-askpass-gnome-2.9p2-10.7.i386.rpm e6aaa5454932133eb5140d5aa8694c23 7.1/en/os/i386/openssh-clients-2.9p2-10.7.i386.rpm 2e2c50953866c77510e320587b2b763a 7.1/en/os/i386/openssh-server-2.9p2-10.7.i386.rpm 40f477635b6440dfd46afe59e28bf8f9 7.1/en/os/ia64/openssh-2.9p2-10.7.ia64.rpm 702b0a6703da90a7cca6037f6947794f 7.1/en/os/ia64/openssh-askpass-2.9p2-10.7.ia64.rpm 60f72ff95c7c3d41b56b3cb969e6494e 7.1/en/os/ia64/openssh-askpass-gnome-2.9p2-10.7.ia64.rpm 5c4e3ae0ce17e742b8dc3acd807246ec 7.1/en/os/ia64/openssh-clients-2.9p2-10.7.ia64.rpm 3400b7fb0337971f652a1e6403fb234d 7.1/en/os/ia64/openssh-server-2.9p2-10.7.ia64.rpm 90ce862375e8410ed5c5a29d9f23ed63 7.2/en/os/SRPMS/openssh-2.9p2-11.src.rpm ee061bdb5d9907ae65259c60823545db 7.2/en/os/i386/openssh-2.9p2-11.i386.rpm 8f589e90d818865053666bcfeed32bdb 7.2/en/os/i386/openssh-askpass-2.9p2-11.i386.rpm 3233cdafc1f62b926414b05445415548 7.2/en/os/i386/openssh-askpass-gnome-2.9p2-11.i386.rpm 3b7ef488182ae3afbd639e74e7eed8cc 7.2/en/os/i386/openssh-clients-2.9p2-11.i386.rpm 3358900ffa3d3327c9cfe79b365c1464 7.2/en/os/i386/openssh-server-2.9p2-11.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 <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: rpm --checksig --nogpg <filename> 8. References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2001-0816 http://marc.theaimsgroup.com/?l=openssh-unix-dev&m=100156674610824&w=2 Copyright(c) 2000, 2001 Red Hat, Inc.

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