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Red Hat: 'openssh' vulnerability Print E-mail
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Posted by Team   
RedHat Linux This update fixes problems with the init script and the PAM configuration file.

                   Red Hat, Inc. Red Hat Security Advisory

Synopsis:          Updated openssh packages available
Advisory ID:       RHSA-2001:041-02
Issue date:        2001-03-30
Updated on:        2001-04-02
Product:           Red Hat Linux
Keywords:          openssh daemon restart limits
Cross references:  
Obsoletes:         RHSA-2001:033

1. Topic:

Updated openssh packages are now available for Red Hat Linux 7.  These
packages fix an error in the supplied init script and PAM configuration

2. Relevant releases/architectures:

Red Hat Linux 7.0 - alpha, i386

3. Problem description:

The init script supplied with a previous openssh update used the daemon()
shell function to start the sshd daemon.  This function will not start the
server if a process of the same name is already executing.  As a result,
attempts to start the sshd server will always fail if any users are logged
in remotely.

The PAM configuration file included in the previous update did not include
a reference to the pam_limits module, which enforces user resource limits.

4. Solution:

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:


This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

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

33633 - openssh-2.5.2p2 upgrade kills master sshd, won't restart

6. RPMs required:

Red Hat Linux 7.0:




7. Verification:

MD5 sum                           Package Name
0d3bb3c2ce740fb774a0d9cb9571050d 7.0/en/os/SRPMS/openssh-2.5.2p2-1.7.2.src.rpm
c0a6903207128d8460dc30a40554cf5f 7.0/en/os/alpha/openssh-2.5.2p2-1.7.2.alpha.rpm
ddec4ea08edf7187ecbf1493e456c38c 7.0/en/os/alpha/openssh-askpass-2.5.2p2-1.7.2.alpha.rpm
e0ddb018ebc3b643db30235aaae19d86 7.0/en/os/alpha/openssh-askpass-gnome-2.5.2p2-1.7.2.alpha.rpm
265f8c86a0b9c67df638ace759f5f7a7 7.0/en/os/alpha/openssh-clients-2.5.2p2-1.7.2.alpha.rpm
ddbeace12f7985981eb20aeb49df10ab 7.0/en/os/alpha/openssh-server-2.5.2p2-1.7.2.alpha.rpm
95507572bf35fb8ccb25dfa4deaa4eba 7.0/en/os/i386/openssh-2.5.2p2-1.7.2.i386.rpm
8ce6ee307032311074d970d3171c6c25 7.0/en/os/i386/openssh-askpass-2.5.2p2-1.7.2.i386.rpm
6380c474d1fadeb84c3853ced3340c3e 7.0/en/os/i386/openssh-askpass-gnome-2.5.2p2-1.7.2.i386.rpm
a7417b93177ba35737d88a54e72642e0 7.0/en/os/i386/openssh-clients-2.5.2p2-1.7.2.i386.rpm
36ddf72eba1a9aaa8f16cab844f06f08 7.0/en/os/i386/openssh-server-2.5.2p2-1.7.2.i386.rpm

These packages are GPG signed by Red Hat, Inc. for security.  Our key
is available at:

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:

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

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