Content-Type: text/html Update Advisory
Red Hat Network has determined that the following advisory is applicable to
one or more of the systems you have registered:

Complete information about this errata can be found at the following location:
     https://rhn.redhat.com/network/errata/errata_details.pxt?eid=1250

Security Advisory - RHSA-2002:196-19
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Summary:
Updated xinetd packages fix denial of service vulnerability

Xinetd contains a denial-of-service (DoS) vulnerability.

UPDATE 2002-12-02: Updated packages are available to fix issues encountered
with the previous errata packages.

Description:
Xinetd is a secure replacement for inetd, the Internet services daemon.

Versions of Xinetd prior to 2.3.7 leak file descriptors for the signal
pipe to services that are launched by xinetd. This could allow an attacker
to execute a DoS attack via the pipe. The Common Vulnerabilities and
Exposures project has assigned the name CAN-2002-0871 to this issue.

Red Hat Linux 7.3 shipped with xinetd version 2.3.4 and is therefore
vulnerable to this issue.  All users are advised to upgrade to the errata
packages which fix the vulnerability.

Thanks to Solar Designer for discovering this issue.

References:
http://www.xinetd.org/
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Taking Action
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You may address the issues outlined in this advisory in two ways:

     - select your server name by clicking on its name from the list
       available at the following location, and then schedule an
       errata update for it:
           https://rhn.redhat.com/network/systemlist/system_list.pxt

     - run the Update Agent on each affected server.


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Changing Notification Preferences
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To enable/disable your Errata Alert preferences globally please log in to RHN
and navigate from "Your RHN" / "Your Account" to the "Preferences" tab.

        URL: https://rhn.redhat.com/network/my_account/my_prefs.pxt

You can also enable/disable notification on a per system basis by selecting an
individual system from the "Systems List". From the individual system view
click the "Details" tab.


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Affected Systems
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According to our records, this errata may apply to one or more of the 
systems that you've profiled with Red Hat Network.  To see precisely which 
systems are affected, please go to:
    https://rhn.redhat.com/network/errata/systems_affected.pxt?eid=1250



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