5790310 2000-11-27 14:50 -0500 /125 rader/ <bugzilla@redhat.com>
Sänt av: mail@mail.nation.liu.se
Importerad: 2000-11-28 17:16 av Brevbäraren (som är implementerad i) Python
Extern mottagare: redhat-watch-list@redhat.com
Extern kopiemottagare: security-alert@linuxsecurity.com
Extern kopiemottagare: bugtraq@securityfocus.com
Extern kopiemottagare: linux-security@redhat.com
Mottagare: Root (@) Nationernas Hus <13674>
Mottagare: Red Hat Announce (import) <1678>
Sänt: 2000-11-28 17:16
Ärende: [RHSA-2000:111-04] Updated openssh packages available for Red Hat Linux 7
------------------------------------------------------------
From: bugzilla@redhat.com
To: redhat-watch-list@redhat.com
Cc: security-alert@linuxsecurity.com, bugtraq@securityfocus.com,
linux-security@redhat.com
Message-ID: <200011271950.eARJoFu04595@porkchop.redhat.com>
---------------------------------------------------------------------
Red Hat, Inc. Security Advisory
Synopsis: Updated openssh packages available for Red Hat Linux 7
Advisory ID: RHSA-2000:111-04
Issue date: 2000-11-20
Updated on: 2000-11-27
Product: Red Hat Linux
Keywords: openssh malicious server port forwarding
Cross references: N/A
---------------------------------------------------------------------
1. Topic:
Updated openssh packages are now available for Red Hat Linux 7.
2000-11-27: Added packages for Red Hat Linux 7 for Alpha
2. Relevant releases/architectures:
Red Hat Linux 7.0 - i386, alpha
3. Problem description:
An OpenSSH client will do agent or X11 forwarding at the request of a
server, even if the user has not requested that it be done. A
malicious
server can exploit this vulnerability to gain access to the user's
display.
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):
18598 - ssh-keygen -l does not work for dsa keys 20805 - Hostile
servers can force OpenSSH clients to do agent or X11 forwarding 20884
- openssh-2.3.0p1 doesn't include /etc/ssh/primes
6. RPMs required:
Red Hat Linux 7.0:
alpha:
ftp://updates.redhat.com/7.0/alpha/openssh-2.3.0p1-4.alpha.rpm
ftp://updates.redhat.com/7.0/alpha/openssh-clients-2.3.0p1-4.alpha.rpm
ftp://updates.redhat.com/7.0/alpha/openssh-server-2.3.0p1-4.alpha.rpm
ftp://updates.redhat.com/7.0/alpha/openssh-askpass-2.3.0p1-4.alpha.rpm
ftp://updates.redhat.com/7.0/alpha/openssh-askpass-gnome-2.3.0p1-4.alpha.rpm
i386:
ftp://updates.redhat.com/7.0/i386/openssh-2.3.0p1-4.i386.rpm
ftp://updates.redhat.com/7.0/i386/openssh-clients-2.3.0p1-4.i386.rpm
ftp://updates.redhat.com/7.0/i386/openssh-server-2.3.0p1-4.i386.rpm
ftp://updates.redhat.com/7.0/i386/openssh-askpass-2.3.0p1-4.i386.rpm
ftp://updates.redhat.com/7.0/i386/openssh-askpass-gnome-2.3.0p1-4.i386.rpm
sources:
ftp://updates.redhat.com/7.0/SRPMS/openssh-2.3.0p1-4.src.rpm
7. Verification:
MD5 sum Package Name
--------------------------------------------------------------------------
d564b593cce6c1afaa02a11004ef6cf7 7.0/SRPMS/openssh-2.3.0p1-4.src.rpm
cfa7b84d1389e921d11cd93888014bbe 7.0/alpha/openssh-2.3.0p1-4.alpha.rpm
59464df875127cc44ca1976db62bb977 7.0/alpha/openssh-askpass-2.3.0p1-4.alpha.rpm
957467291fc0067d70bef99c88401dcf
7.0/alpha/openssh-askpass-gnome-2.3.0p1-4.alpha.rpm
da26d6a308c2c3c79f56eec077bce664 7.0/alpha/openssh-clients-2.3.0p1-4.alpha.rpm
5e4951bc163601aad8733011933d79db 7.0/alpha/openssh-server-2.3.0p1-4.alpha.rpm
973c033bd3cf3e3641f7fb9d172baf5a 7.0/i386/openssh-2.3.0p1-4.i386.rpm
ead1cc84519f5a6fa0233ce8d3237457 7.0/i386/openssh-askpass-2.3.0p1-4.i386.rpm
d426ff6c55181f8ccbea6e2f7a307b99 7.0/i386/openssh-askpass-gnome-2.3.0p1-4.i386.rpm
51fe082e6830e461a900000e2884cb14 7.0/i386/openssh-clients-2.3.0p1-4.i386.rpm
dd9bb3271403162202599d3cd8b9a22e 7.0/i386/openssh-server-2.3.0p1-4.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:
http://www.openbsd.org/errata27.html#sshforwarding
Copyright(c) 2000 Red Hat, Inc.
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