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________________________________________________________________________
Mandrake Linux Security Update Advisory
________________________________________________________________________
Package name: openssh
Advisory ID: MDKSA-2002:040
Date: June 24th, 2002
Affected versions: 7.1, 7.2, 8.0, 8.1, 8.2, Corporate Server 1.0.1,
Single Network Firewall 7.2
________________________________________________________________________
Problem Description:
Details of an upcoming OpenSSH vulnerability will be published early
next week. According to the OpenSSH team, this remote vulnerability
cannot be exploited when sshd is running with privilege separation.
The priv separation code is significantly improved in version 3.3 of
OpenSSH which was released on June 21st. Unfortunately, there are some
known problems with this release; compression does not work on all
operating systems and the PAM support has not been completed.
The OpenSSH team encourages everyone to upgrade to version 3.3
immediately and enable privilege separation. This can be enabled by
placing in your /etc/ssh/sshd_config file the following:
UsePrivilegeSeparation yes
The vulnerability that will be disclosed next week is not fixed in
version 3.3 of OpenSSH, however with priv separation enabled, you will
not be vulnerable to it. This is because privilege separation uses a
seperate non-privileged process to handle most of the work, meaning
that any vulnerability in this part of OpenSSH will never lead to a
root compromise. Only access as the non-privileged user restricted in
chroot would be available.
MandrakeSoft encourages all of our users to upgrade to the updated
packages immediately. This update creates a new user and group on the
system named sshd that is used to run the non-privileged processes.
________________________________________________________________________
References:
http://marc.theaimsgroup.com/?l=openssh-unix-dev&m=102495293705094&w=2
________________________________________________________________________
Updated Packages:
Linux-Mandrake 7.1:
ac86db7914ba6fc85b17fc99d06a937c 7.1/RPMS/openssh-3.3p1-3.1mdk.i586.rpm
f718cb570e2ee62fc32e053813d3cfbf 7.1/RPMS/openssh-askpass-3.3p1-3.1mdk.i586.rpm
6f3c54d22d992032e306ae5070158a71 7.1/RPMS/openssh-askpass-gnome-3.3p1-3.1mdk.i586.rpm
94257fd0269dad04bd5440b7ee5cf053 7.1/RPMS/openssh-clients-3.3p1-3.1mdk.i586.rpm
31ce777e172418ed9315b7222f19996d 7.1/RPMS/openssh-server-3.3p1-3.1mdk.i586.rpm
376a6784a1064bed84108910a228d05e 7.1/SRPMS/openssh-3.3p1-3.1mdk.src.rpm
Linux-Mandrake 7.2:
11305bdbdae69178c4519a64cc4d268c 7.2/RPMS/openssh-3.3p1-3.1mdk.i586.rpm
06076635d4bf67129e1fabc287e44a1d 7.2/RPMS/openssh-askpass-3.3p1-3.1mdk.i586.rpm
7d8e1ab186f9ec314d44188c8fb9129e 7.2/RPMS/openssh-askpass-gnome-3.3p1-3.1mdk.i586.rpm
eecab04b4bc352d2f24a6b9d28275f38 7.2/RPMS/openssh-clients-3.3p1-3.1mdk.i586.rpm
3cb9787448432db4973af1a50cd259a7 7.2/RPMS/openssh-server-3.3p1-3.1mdk.i586.rpm
376a6784a1064bed84108910a228d05e 7.2/SRPMS/openssh-3.3p1-3.1mdk.src.rpm
Mandrake Linux 8.0:
d6a327709059db4cc61733b957a4da46 8.0/RPMS/openssh-3.3p1-3.1mdk.i586.rpm
ef833e955ce5df3f9ae8bce029f957fc 8.0/RPMS/openssh-askpass-3.3p1-3.1mdk.i586.rpm
1e2aef9c7c61cb5dc2fa3b2bc4bde1b4 8.0/RPMS/openssh-askpass-gnome-3.3p1-3.1mdk.i586.rpm
23e8d7aed35558ed75b34d8a32619cff 8.0/RPMS/openssh-clients-3.3p1-3.1mdk.i586.rpm
27a934155f200b02eb273fc2fe80d407 8.0/RPMS/openssh-server-3.3p1-3.1mdk.i586.rpm
376a6784a1064bed84108910a228d05e 8.0/SRPMS/openssh-3.3p1-3.1mdk.src.rpm
Mandrake Linux 8.0/ppc:
c515524fc8fa30bb41a8048ad7967edb ppc/8.0/RPMS/openssh-3.3p1-3.1mdk.ppc.rpm
0180f3991cad706505e6e5faee741909 ppc/8.0/RPMS/openssh-askpass-3.3p1-3.1mdk.ppc.rpm
de64dc6cf71f67d92b0fa2985a05ae6b ppc/8.0/RPMS/openssh-askpass-gnome-3.3p1-3.1mdk.ppc.rpm
43a101ff00c00730604089679afe6187 ppc/8.0/RPMS/openssh-clients-3.3p1-3.1mdk.ppc.rpm
f7c90aab96ccf90c85dc3869ad38c439 ppc/8.0/RPMS/openssh-server-3.3p1-3.1mdk.ppc.rpm
376a6784a1064bed84108910a228d05e ppc/8.0/SRPMS/openssh-3.3p1-3.1mdk.src.rpm
Mandrake Linux 8.1:
821432034c563d9e0ad215f2540e9ae2 8.1/RPMS/openssh-3.3p1-3.1mdk.i586.rpm
b52f10205b2fc3e7d64f66f54612e8c7 8.1/RPMS/openssh-askpass-3.3p1-3.1mdk.i586.rpm
a175f6d5e2e6bb2cfb4bf542445bc19c 8.1/RPMS/openssh-askpass-gnome-3.3p1-3.1mdk.i586.rpm
7aa5e6f0ef8393e4df6083a00dd21245 8.1/RPMS/openssh-clients-3.3p1-3.1mdk.i586.rpm
b6d4277248a0347d26bc63ac91e08d20 8.1/RPMS/openssh-server-3.3p1-3.1mdk.i586.rpm
376a6784a1064bed84108910a228d05e 8.1/SRPMS/openssh-3.3p1-3.1mdk.src.rpm
Mandrake Linux 8.1/ia64:
28338c62e4f6f5c8110613eee798694a ia64/8.1/RPMS/openssh-3.3p1-3.1mdk.ia64.rpm
b867581545043e5002daa968dbe76e07 ia64/8.1/RPMS/openssh-askpass-3.3p1-3.1mdk.ia64.rpm
38b9e8618b83a5ca2a61e11827c9c39d ia64/8.1/RPMS/openssh-askpass-gnome-3.3p1-3.1mdk.ia64.rpm
835cbc47dd019786b1bcf18e52c4decc ia64/8.1/RPMS/openssh-clients-3.3p1-3.1mdk.ia64.rpm
3ed27b5847492ac88ed80a57a3d0ea4b ia64/8.1/RPMS/openssh-server-3.3p1-3.1mdk.ia64.rpm
376a6784a1064bed84108910a228d05e ia64/8.1/SRPMS/openssh-3.3p1-3.1mdk.src.rpm
Mandrake Linux 8.2:
cc9ac93261db3dbd80e5c8be6ce2da6d 8.2/RPMS/openssh-3.3p1-3.1mdk.i586.rpm
79b317116fda4968073a47ceaea8c0f1 8.2/RPMS/openssh-askpass-3.3p1-3.1mdk.i586.rpm
50158609a46ef79d10cb429cac398e82 8.2/RPMS/openssh-askpass-gnome-3.3p1-3.1mdk.i586.rpm
298cae54073f902410aa1f6be7748755 8.2/RPMS/openssh-clients-3.3p1-3.1mdk.i586.rpm
a32f267bf83538d326febc86932bab52 8.2/RPMS/openssh-server-3.3p1-3.1mdk.i586.rpm
376a6784a1064bed84108910a228d05e 8.2/SRPMS/openssh-3.3p1-3.1mdk.src.rpm
Mandrake Linux 8.2/ppc:
e45cd22f78eb187a73863add09aa4711 ppc/8.2/RPMS/openssh-3.3p1-3.1mdk.ppc.rpm
47e8e010395171214d419697e28bbd06 ppc/8.2/RPMS/openssh-askpass-3.3p1-3.1mdk.ppc.rpm
8ee31d4f9e9b21fd3c1ffb00c5a0c516 ppc/8.2/RPMS/openssh-askpass-gnome-3.3p1-3.1mdk.ppc.rpm
8eea104fafa986376beb0e9e364cbd65 ppc/8.2/RPMS/openssh-clients-3.3p1-3.1mdk.ppc.rpm
c07e10e2fc0703c77ca25d4d3aaa2723 ppc/8.2/RPMS/openssh-server-3.3p1-3.1mdk.ppc.rpm
376a6784a1064bed84108910a228d05e ppc/8.2/SRPMS/openssh-3.3p1-3.1mdk.src.rpm
Corporate Server 1.0.1:
ac86db7914ba6fc85b17fc99d06a937c 1.0.1/RPMS/openssh-3.3p1-3.1mdk.i586.rpm
f718cb570e2ee62fc32e053813d3cfbf 1.0.1/RPMS/openssh-askpass-3.3p1-3.1mdk.i586.rpm
6f3c54d22d992032e306ae5070158a71 1.0.1/RPMS/openssh-askpass-gnome-3.3p1-3.1mdk.i586.rpm
94257fd0269dad04bd5440b7ee5cf053 1.0.1/RPMS/openssh-clients-3.3p1-3.1mdk.i586.rpm
31ce777e172418ed9315b7222f19996d 1.0.1/RPMS/openssh-server-3.3p1-3.1mdk.i586.rpm
376a6784a1064bed84108910a228d05e 1.0.1/SRPMS/openssh-3.3p1-3.1mdk.src.rpm
Single Network Firewall 7.2:
11305bdbdae69178c4519a64cc4d268c snf7.2/RPMS/openssh-3.3p1-3.1mdk.i586.rpm
06076635d4bf67129e1fabc287e44a1d snf7.2/RPMS/openssh-askpass-3.3p1-3.1mdk.i586.rpm
7d8e1ab186f9ec314d44188c8fb9129e snf7.2/RPMS/openssh-askpass-gnome-3.3p1-3.1mdk.i586.rpm
eecab04b4bc352d2f24a6b9d28275f38 snf7.2/RPMS/openssh-clients-3.3p1-3.1mdk.i586.rpm
3cb9787448432db4973af1a50cd259a7 snf7.2/RPMS/openssh-server-3.3p1-3.1mdk.i586.rpm
376a6784a1064bed84108910a228d05e snf7.2/SRPMS/openssh-3.3p1-3.1mdk.src.rpm
________________________________________________________________________
Bug IDs fixed (see https://qa.mandrakesoft.com for more information):
________________________________________________________________________
To upgrade automatically, use MandrakeUpdate. The verification of md5
checksums and GPG signatures is performed automatically for you.
If you want to upgrade manually, download the updated package from one
of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm". A list of
FTP mirrors can be obtained from:
http://www.mandrakesecure.net/en/ftp.php
Please verify the update prior to upgrading to ensure the integrity of
the downloaded package. You can do this with the command:
rpm --checksig <filename>
All packages are signed by MandrakeSoft for security. You can obtain
the GPG public key of the Mandrake Linux Security Team from:
https://www.mandrakesecure.net/RPM-GPG-KEYS
Please be aware that sometimes it takes the mirrors a few hours to
update.
You can view other update advisories for Mandrake Linux at:
http://www.mandrakesecure.net/en/advisories/
MandrakeSoft has several security-related mailing list services that
anyone can subscribe to. Information on these lists can be obtained by
visiting:
http://www.mandrakesecure.net/en/mlist.php
If you want to report vulnerabilities, please contact
security@linux-mandrake.com
________________________________________________________________________
Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Linux Mandrake Security Team
<security@linux-mandrake.com>
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This archive was generated by hypermail 2b30 : Wed Jun 26 2002 - 12:39:27 PDT