Articles / Red Hat: Updated sudo packa…

Red Hat: Updated sudo packages are available

The sudo (superuser do) utility allows system administrators to give certain users the ability to run commands as root with logging. Global InterSec LLC found an issue with Sudo 1.6.5p2 and earlier which can be exploited to allow a local attacker to gain root privileges. Fixed packages are available from updates.redhat.com.
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                   Red Hat, Inc. Red Hat Security Advisory

Synopsis:          Updated sudo packages are available
Advisory ID:       RHSA-2002:071-07
Issue date:        2002-04-22
Updated on:        2002-04-25
Product:           Red Hat Linux
Keywords:          sudo off-by-five heap local root
Cross references:  RHSA-2002:072
Obsoletes:         RHSA-2002:011
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1. Topic:

Updated sudo packages are available which fix a local root exploit.

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, ia64

3. Problem description:

The sudo (superuser do) utility allows system administrators to give certain
users the ability to run commands as root with logging. 

Global InterSec LLC found an issue with Sudo 1.6.5p2 and earlier which can
be exploited to allow a local attacker to gain root privileges.

The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2002-0184 to this issue.

Users of Sudo are advised to upgrade to these errata packages which 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. 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/sudo-1.6.5p2-1.7x.1.src.rpm

alpha:
ftp://updates.redhat.com/7.0/en/os/alpha/sudo-1.6.5p2-1.7x.1.alpha.rpm

i386:
ftp://updates.redhat.com/7.0/en/os/i386/sudo-1.6.5p2-1.7x.1.i386.rpm

Red Hat Linux 7.1:

SRPMS:
ftp://updates.redhat.com/7.1/en/os/SRPMS/sudo-1.6.5p2-1.7x.1.src.rpm

alpha:
ftp://updates.redhat.com/7.1/en/os/alpha/sudo-1.6.5p2-1.7x.1.alpha.rpm

i386:
ftp://updates.redhat.com/7.1/en/os/i386/sudo-1.6.5p2-1.7x.1.i386.rpm

ia64:
ftp://updates.redhat.com/7.1/en/os/ia64/sudo-1.6.5p2-1.7x.1.ia64.rpm

Red Hat Linux 7.2:

SRPMS:
ftp://updates.redhat.com/7.2/en/os/SRPMS/sudo-1.6.5p2-1.7x.1.src.rpm

i386:
ftp://updates.redhat.com/7.2/en/os/i386/sudo-1.6.5p2-1.7x.1.i386.rpm

ia64:
ftp://updates.redhat.com/7.2/en/os/ia64/sudo-1.6.5p2-1.7x.1.ia64.rpm


7. Verification:

MD5 sum                          Package Name
--------------------------------------------------------------------------
201ca524c0fee5d58bb7861f0e4bae4c 7.0/en/os/SRPMS/sudo-1.6.5p2-1.7x.1.src.rpm
feee2f8fdbc9b07a3e6453d8ee615253 7.0/en/os/alpha/sudo-1.6.5p2-1.7x.1.alpha.rpm
11e39dde06b2754e9ceebfdddebed049 7.0/en/os/i386/sudo-1.6.5p2-1.7x.1.i386.rpm
201ca524c0fee5d58bb7861f0e4bae4c 7.1/en/os/SRPMS/sudo-1.6.5p2-1.7x.1.src.rpm
feee2f8fdbc9b07a3e6453d8ee615253 7.1/en/os/alpha/sudo-1.6.5p2-1.7x.1.alpha.rpm
11e39dde06b2754e9ceebfdddebed049 7.1/en/os/i386/sudo-1.6.5p2-1.7x.1.i386.rpm
56c5d655612194063d0ecec4e90816a9 7.1/en/os/ia64/sudo-1.6.5p2-1.7x.1.ia64.rpm
201ca524c0fee5d58bb7861f0e4bae4c 7.2/en/os/SRPMS/sudo-1.6.5p2-1.7x.1.src.rpm
11e39dde06b2754e9ceebfdddebed049 7.2/en/os/i386/sudo-1.6.5p2-1.7x.1.i386.rpm
56c5d655612194063d0ecec4e90816a9 7.2/en/os/ia64/sudo-1.6.5p2-1.7x.1.ia64.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  

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 

8. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0184
http://www.globalintersec.com/adv/sudo-2002041701.txt


Copyright(c) 2000, 2001, 2002 Red Hat, Inc.
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