5975390 2001-01-18 14:58 -0700 /181 rader/ Linux Mandrake Security Team <security@LINUX-MANDRAKE.COM>
Sänt av: joel@lysator.liu.se
Importerad: 2001-01-19 01:15 av Brevbäraren (som är implementerad i) Python
Extern mottagare: BUGTRAQ@SECURITYFOCUS.COM
Externa svar till: security@LINUX-MANDRAKE.COM
Mottagare: Bugtraq (import) <14894>
Ärende: MDKSA-2001:012 - glibc update
------------------------------------------------------------
From: Linux Mandrake Security Team <security@LINUX-MANDRAKE.COM>
To: BUGTRAQ@SECURITYFOCUS.COM
Message-ID: <20010118145819.A25326@mandrakesoft.com>
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Hash: SHA1
________________________________________________________________________
Linux-Mandrake Security Update Advisory
________________________________________________________________________
Package name: glibc
Date: January 18th, 2001
Advisory ID: MDKSA-2001:012
Affected versions: 6.0, 6.1, 7.0, 7.1, 7.2, Corporate Server
1.0.1
________________________________________________________________________
Problem Description:
The LD_PRELOAD variable in the GNU C Library is honoured normally
even for SUID/SGID applications (but removed afterwards from the
environment) if it does not contain '/' characters. There is a
special check which only preloads found libraries if they have the
SUID bit set. However, if a library has been found in
/etc/ld.so.cache, this check was not performed. As a result, a
malicious user could preload some library located in /lib or
/usr/lib before SUID/SGID applications and create or overwrite a
file he would not normally have permission to. As well, LD_PROFILE
output from SUID programs would go into /var/tmp, making it
vulnerable to various link
attacks.
________________________________________________________________________
Please verify the update prior to upgrading to ensure the integrity of
the downloaded package. You can do this with the command:
rpm --checksig package.rpm
You can get the GPG public key of the Linux-Mandrake Security Team at
http://www.linux-mandrake.com/en/security/RPM-GPG-KEYS
If you use MandrakeUpdate, the verification of md5 checksum and GPG
signature is performed automatically for you.
Linux-Mandrake 6.0: 40c5a62fe717337c78b89162e706b204
6.0/RPMS/glibc-2.1.3-18.2mdk.i586.rpm
853008b0e720f9ae4cee919edb9b299f
6.0/RPMS/glibc-devel-2.1.3-18.2mdk.i586.rpm
395f5b6ce2ac5a9d712112d5c025d037
6.0/RPMS/glibc-profile-2.1.3-18.2mdk.i586.rpm
96d42b788a258f9d89974abb16646489
6.0/SRPMS/glibc-2.1.3-18.2mdk.src.rpm
Linux-Mandrake 6.1: 40c5a62fe717337c78b89162e706b204
6.1/RPMS/glibc-2.1.3-18.2mdk.i586.rpm
853008b0e720f9ae4cee919edb9b299f
6.1/RPMS/glibc-devel-2.1.3-18.2mdk.i586.rpm
395f5b6ce2ac5a9d712112d5c025d037
6.1/RPMS/glibc-profile-2.1.3-18.2mdk.i586.rpm
96d42b788a258f9d89974abb16646489
6.1/SRPMS/glibc-2.1.3-18.2mdk.src.rpm
Linux-Mandrake 7.0: 40c5a62fe717337c78b89162e706b204
7.0/RPMS/glibc-2.1.3-18.2mdk.i586.rpm
853008b0e720f9ae4cee919edb9b299f
7.0/RPMS/glibc-devel-2.1.3-18.2mdk.i586.rpm
395f5b6ce2ac5a9d712112d5c025d037
7.0/RPMS/glibc-profile-2.1.3-18.2mdk.i586.rpm
96d42b788a258f9d89974abb16646489
7.0/SRPMS/glibc-2.1.3-18.2mdk.src.rpm
Linux-Mandrake 7.1: 05f0ef4d07e638706262ff606518aedd
7.1/RPMS/glibc-2.1.3-18.1mdk.i586.rpm
8681ffba3948fdc1e3fa2ecbf1eab54d
7.1/RPMS/glibc-devel-2.1.3-18.1mdk.i586.rpm
3f5316876c80c318cb39c68294412239
7.1/RPMS/glibc-profile-2.1.3-18.1mdk.i586.rpm
f68106cdfb899877f9984c1b9aabed70
7.1/SRPMS/glibc-2.1.3-18.1mdk.src.rpm
Linux-Mandrake 7.2: 4720a8d7f0c973a3eec8a7539766b590
7.2/RPMS/glibc-2.1.3-18.3mdk.i586.rpm
fcdbafc369120fb5a81566fd3cdabe03
7.2/RPMS/glibc-devel-2.1.3-18.3mdk.i586.rpm
df76db4b226004082bbc0eb4d1034e87
7.2/RPMS/glibc-profile-2.1.3-18.3mdk.i586.rpm
09c064f52f8b1e0ac28fa30fa171dd7c
7.2/SRPMS/glibc-2.1.3-18.3mdk.src.rpm
Corporate Server 1.0.1: 05f0ef4d07e638706262ff606518aedd
1.0.1/RPMS/glibc-2.1.3-18.1mdk.i586.rpm
8681ffba3948fdc1e3fa2ecbf1eab54d
1.0.1/RPMS/glibc-devel-2.1.3-18.1mdk.i586.rpm
3f5316876c80c318cb39c68294412239
1.0.1/RPMS/glibc-profile-2.1.3-18.1mdk.i586.rpm
f68106cdfb899877f9984c1b9aabed70
1.0.1/SRPMS/glibc-2.1.3-18.1mdk.src.rpm
________________________________________________________________________
To upgrade automatically, use MandrakeUpdate.
If you want to upgrade manually, download the updated package from one
of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm".
You can download the updates directly from one of the mirror sites
listed at:
http://www.linux-mandrake.com/en/ftp.php3.
Updated packages are available in the "updates/[ver]/RPMS/"
directory. For example, if you are looking for an updated RPM
package for Linux-Mandrake 7.2, look for it in "updates/7.2/RPMS/".
Updated source RPMs are available as well, but you generally do not
need to download them.
Please be aware that sometimes it takes the mirrors a few hours to
update.
You can view other security advisories for Linux-Mandrake at:
http://www.linux-mandrake.com/en/security/
If you want to report vulnerabilities, please contact
security@linux-mandrake.com
________________________________________________________________________
Linux-Mandrake has two security-related mailing list services that
anyone can subscribe to:
security-announce@linux-mandrake.com
Linux-Mandrake's security announcements mailing list. Only
announcements are sent to this list and it is read-only.
security-discuss@linux-mandrake.com
Linux-Mandrake's security discussion mailing list. This list is
open to anyone to discuss Linux-Mandrake security specifically and
Linux security in general.
To subscribe to either list, send a message to
sympa@linux-mandrake.com
with "subscribe [listname]" in the body of the message.
To remove yourself from either list, send a message to
sympa@linux-mandrake.com
with "unsubscribe [listname]" in the body of the message.
To get more information on either list, send a message to
sympa@linux-mandrake.com
with "info [listname]" in the body of the message.
Optionally, you can use the web interface to subscribe to or
unsubscribe from either list:
http://www.linux-mandrake.com/en/flists.php3#security
________________________________________________________________________
Type Bits/KeyID Date User ID
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<security@linux-mandrake.com>
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(5975390) --------------------------------(Ombruten)