5845005 2000-12-11 04:37 -0500  /190 rader/  <redhat-announce-list-admin@redhat.com>
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Importerad: 2000-12-11  17:58  av Brevbäraren (som är implementerad i) Python
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Mottagare: Red Hat Announce (import) <1703>
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    Sänt:     2000-12-11 21:46
Ärende: [RHSA-2000:123-01] New ed packages available
------------------------------------------------------------
From: redhat-announce-list-admin@redhat.com
To: redhat-watch-list@redhat.com
Cc: security-alert@linuxsecurity.com, bugtraq@securityfocus.com,
 linux-security@redhat.com
Message-ID: <200012110937.eBB9bou28101@porkchop.redhat.com>

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

Synopsis:          New ed packages available
Advisory ID:       RHSA-2000:123-01
Issue date:        2000-12-06
Updated on:        2000-12-06
Product:           Red Hat Linux
Keywords:          ed mktemp mkstemp /tmp
Cross references:  N/A
---------------------------------------------------------------------

1. Topic:

The ed editor used files in /tmp in an insecure fashion.  It was
possible for local users to exploit this vulnerability  to modify
files that they normally could not and gain elevated privilege.

2. Relevant releases/architectures:

Red Hat Linux 5.2 - i386, alpha, sparc
Red Hat Linux 6.0 - i386, alpha, sparc
Red Hat Linux 6.1 - i386, alpha, sparc
Red Hat Linux 6.2 - i386, alpha, sparc
Red Hat Linux 7.0 - i386, alpha

3. Problem description:

The ed executable creates files in /tmp with predictable
names. By using various symlink attacks, it is possible to
have ed write to files it should not, change the permissions 
of various files, etc.

4. Solution:

For each RPM for your particular architecture, run:

rpm -Fvh [filename]

where filename is the name of the RPM.

5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info):

21470 - ed uses mktemp + fopen for scratch files


6. RPMs required:

Red Hat Linux 5.2:

alpha:
ftp://updates.redhat.com/5.2/alpha/ed-0.2-19.5x.alpha.rpm
ftp://updates.redhat.com/5.2/alpha/ed-0.2-19.5x.alpha.rpm

sparc:
ftp://updates.redhat.com/5.2/sparc/ed-0.2-19.5x.sparc.rpm
ftp://updates.redhat.com/5.2/sparc/ed-0.2-19.5x.sparc.rpm

i386:
ftp://updates.redhat.com/5.2/i386/ed-0.2-19.5x.i386.rpm
ftp://updates.redhat.com/5.2/i386/ed-0.2-19.5x.i386.rpm

sources:
ftp://updates.redhat.com/5.2/SRPMS/ed-0.2-19.5x.src.rpm
ftp://updates.redhat.com/5.2/SRPMS/ed-0.2-19.5x.src.rpm

Red Hat Linux 6.0:

sparc:
ftp://updates.redhat.com/6.0/sparc/ed-0.2-19.6x.sparc.rpm
ftp://updates.redhat.com/6.0/sparc/ed-0.2-19.6x.sparc.rpm

i386:
ftp://updates.redhat.com/6.0/i386/ed-0.2-19.6x.i386.rpm
ftp://updates.redhat.com/6.0/i386/ed-0.2-19.6x.i386.rpm

alpha:
ftp://updates.redhat.com/6.0/alpha/ed-0.2-19.6x.alpha.rpm
ftp://updates.redhat.com/6.0/alpha/ed-0.2-19.6x.alpha.rpm

sources:
ftp://updates.redhat.com/6.0/SRPMS/ed-0.2-19.6x.src.rpm
ftp://updates.redhat.com/6.0/SRPMS/ed-0.2-19.6x.src.rpm

Red Hat Linux 6.1:

alpha:
ftp://updates.redhat.com/6.1/alpha/ed-0.2-19.6x.alpha.rpm
ftp://updates.redhat.com/6.1/alpha/ed-0.2-19.6x.alpha.rpm

sparc:
ftp://updates.redhat.com/6.1/sparc/ed-0.2-19.6x.sparc.rpm
ftp://updates.redhat.com/6.1/sparc/ed-0.2-19.6x.sparc.rpm

i386:
ftp://updates.redhat.com/6.1/i386/ed-0.2-19.6x.i386.rpm
ftp://updates.redhat.com/6.1/i386/ed-0.2-19.6x.i386.rpm

sources:
ftp://updates.redhat.com/6.1/SRPMS/ed-0.2-19.6x.src.rpm
ftp://updates.redhat.com/6.1/SRPMS/ed-0.2-19.6x.src.rpm

Red Hat Linux 6.2:

alpha:
ftp://updates.redhat.com/6.2/alpha/ed-0.2-19.6x.alpha.rpm
ftp://updates.redhat.com/6.2/alpha/ed-0.2-19.6x.alpha.rpm

sparc:
ftp://updates.redhat.com/6.2/sparc/ed-0.2-19.6x.sparc.rpm
ftp://updates.redhat.com/6.2/sparc/ed-0.2-19.6x.sparc.rpm

i386:
ftp://updates.redhat.com/6.2/i386/ed-0.2-19.6x.i386.rpm
ftp://updates.redhat.com/6.2/i386/ed-0.2-19.6x.i386.rpm

sources:
ftp://updates.redhat.com/6.2/SRPMS/ed-0.2-19.6x.src.rpm
ftp://updates.redhat.com/6.2/SRPMS/ed-0.2-19.6x.src.rpm

Red Hat Linux 7.0:

alpha:
ftp://updates.redhat.com/7.0/alpha/ed-0.2-19.alpha.rpm

i386:
ftp://updates.redhat.com/7.0/i386/ed-0.2-19.i386.rpm

sources:
ftp://updates.redhat.com/7.0/SRPMS/ed-0.2-19.src.rpm

7. Verification:

MD5 sum                           Package Name
--------------------------------------------------------------------------
e87aafb1feef31ab80d5a55313cf76b4  5.2/SRPMS/ed-0.2-19.5x.src.rpm
c2ff59030a1d2c9cdf7040facda48a0b  5.2/alpha/ed-0.2-19.5x.alpha.rpm
86a43f6d2b10c284f36c5d9776a56789  5.2/i386/ed-0.2-19.5x.i386.rpm
b7ac2a44c3ea17f78d5313a3113f98c3  5.2/sparc/ed-0.2-19.5x.sparc.rpm
e80cdbeebc4cf4d7a8b8765b02540c2e  6.0/SRPMS/ed-0.2-19.6x.src.rpm
779b42a553a66a3cf422ffe8e87bb2fb  6.0/alpha/ed-0.2-19.6x.alpha.rpm
7c584e3600331b81e8caa2422722ccae  6.0/i386/ed-0.2-19.6x.i386.rpm
007fc8f22b6cc144b3b2703744da8483  6.0/sparc/ed-0.2-19.6x.sparc.rpm
e80cdbeebc4cf4d7a8b8765b02540c2e  6.1/SRPMS/ed-0.2-19.6x.src.rpm
779b42a553a66a3cf422ffe8e87bb2fb  6.1/alpha/ed-0.2-19.6x.alpha.rpm
7c584e3600331b81e8caa2422722ccae  6.1/i386/ed-0.2-19.6x.i386.rpm
007fc8f22b6cc144b3b2703744da8483  6.1/sparc/ed-0.2-19.6x.sparc.rpm
e80cdbeebc4cf4d7a8b8765b02540c2e  6.2/SRPMS/ed-0.2-19.6x.src.rpm
779b42a553a66a3cf422ffe8e87bb2fb  6.2/alpha/ed-0.2-19.6x.alpha.rpm
7c584e3600331b81e8caa2422722ccae  6.2/i386/ed-0.2-19.6x.i386.rpm
007fc8f22b6cc144b3b2703744da8483  6.2/sparc/ed-0.2-19.6x.sparc.rpm
f619f60ddcbeedc016b434e172b9bddb  7.0/SRPMS/ed-0.2-19.src.rpm
f511af62ec15ef65dd1104683e7d39db  7.0/alpha/ed-0.2-19.alpha.rpm
6186b80b1deba06a1d3d99e30e2270d0  7.0/i386/ed-0.2-19.i386.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:

N/A


Copyright(c) 2000 Red Hat, Inc.



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