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[RHSA-2001:095-04] New util-linux packages available to fix vipw permissions problems


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Date: Mon, 16 Jul 2001 12:34 -0400
From: [email protected]
To: [email protected]
Subject: [RHSA-2001:095-04] New util-linux packages available to fix vipw permissions problems
Cc: [email protected], [email protected]

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

Synopsis:          New util-linux packages available to fix vipw permission=
s problems
Advisory ID:       RHSA-2001:095-04
Issue date:        2001-07-12
Updated on:        2001-07-16
Product:           Red Hat Linux
Ключевые слова: , , , , , , , , , util-linux, vipw, /etc/shadow, permissions,  (найти похожие документы)
Cross references:=20=20 Obsoletes:=20=20=20=20=20=20=20=20=20 --------------------------------------------------------------------- 1. Topic: New util-linux packages are available for Red Hat Linux 7.1. These packages fix a problem where vipw would leave the /etc/shadow file world-readable after editing it. It is recommended that all users update to the fixed packages. Also, if you have used vipw on Red Hat Linux 7.1 before, make sure to run (as root): chmod 0400 /etc/shadow 2. Relevant releases/architectures: Red Hat Linux 7.1 - alpha, i386, ia64 3. Problem description: vipw, from the util-linux package in Red Hat Linux 7.1, included a new option that allowed editing of the /etc/shadow file as well as /etc/passwd. However, this option did not take measures to ensure that the file remained only readable by root. Thanks go to [email protected] for bringing the problem to our attention. 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. Also note that users of vipw may want to run (as root): chmod 0400 /etc/shadow to ensure that the file has the correct permissions. 5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info): 48786 - Serious security problem in vipw, util-linux 2.10s 6. RPMs required: Red Hat Linux 7.1: SRPMS: ftp://updates.redhat.com/7.1/en/os/SRPMS/util-linux-2.10s-13.7.src.rpm alpha: ftp://updates.redhat.com/7.1/en/os/alpha/util-linux-2.10s-13.7.alpha.rpm i386: ftp://updates.redhat.com/7.1/en/os/i386/util-linux-2.10s-13.7.i386.rpm ia64: ftp://updates.redhat.com/7.1/en/os/ia64/util-linux-2.10s-13.7.ia64.rpm 7. Verification: MD5 sum Package Name -------------------------------------------------------------------------- 96997395f6773109c6fe12f015145a4e 7.1/en/os/SRPMS/util-linux-2.10s-13.7.src.= rpm 148ed6ee554cec8552a9795192deaa51 7.1/en/os/alpha/util-linux-2.10s-13.7.alph= a.rpm 06f71eb2fd286d18ea45430ffe790b63 7.1/en/os/i386/util-linux-2.10s-13.7.i386.= rpm dceed158e6eb988b972f924a01fdc265 7.1/en/os/ia64/util-linux-2.10s-13.7.ia64.= rpm These packages are GPG signed by Red Hat, Inc. for security. Our key is available at: http://www.redhat.com/corp/contact.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: Copyright(c) 2000, 2001 Red Hat, Inc.

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