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AUSCERT External Security Bulletin Redistribution
ESB-2009.0506 -- [RedHat]
rhpki-ra: Inappropriate Access
27 May 2009
AusCERT Security Bulletin Summary
Publisher: Red Hat
Operating System: Red Hat Linux
Impact: Inappropriate Access
Access: Existing Account
CVE Names: CVE-2009-0588
Original Bulletin: https://rhn.redhat.com/errata/RHSA-2009-1065.html
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Red Hat Security Advisory
Synopsis: Moderate: rhpki-ra security update
Advisory ID: RHSA-2009:1065-01
Product: Red Hat Certificate System
Advisory URL: https://rhn.redhat.com/errata/RHSA-2009-1065.html
Issue date: 2009-05-26
CVE Names: CVE-2009-0588
An updated rhpki-ra package that fixes one security issue is now available
for Red Hat Certificate System 7.3.
This update has been rated as having moderate security impact by the Red
Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Certificate System 7.3 for 4AS - noarch
Red Hat Certificate System 7.3 for 4ES - noarch
The Red Hat registration authority is an optional Red Hat Certificate
System subsystem that acts as a front-end for authenticating and processing
enrollment requests, PIN reset requests, and formatting requests.
Robert Mead of AusCERT reported that the registration authority did not
properly check an agent's authorization in some CGI scripts. In deployments
where certificate requests were processed by multiple agent groups, an
agent from any group was able to approve or reject certificate requests in
the queue for any other agent group, if they were able to guess the request
All Red Hat Certificate System 7.3 users should upgrade to this updated
package, which resolves this issue.
Users running Red Hat Certificate System on Red Hat Enterprise Linux:
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via Red Hat Network. Details on how to use the Red
Hat Network to apply this update are available at
Users running Red Hat Certificate System on Sun Solaris:
An updated Solaris package, in .pkg format, is available in the Red Hat
Certificate System Solaris channel on the Red Hat Network. Use native
Solaris package management tools to install or upgrade this package.
After applying the updated package on both Linux and Solaris, copy the
op.cgi file to the corresponding instance locations, for example:
# cp /usr/share/rhpki/ra/docroot/agent/request/op.cgi
For detailed installation instructions, see the "Installation and
Configuration" section of the Red Hat Certificate System 7.3 Administration
5. Bugs fixed (http://bugzilla.redhat.com/):
488706 - CVE-2009-0588 rhpki-ra: improper authorization checks in Cerificate
System's Registration Authority
6. Package List:
Red Hat Certificate System 7.3 for 4AS:
Red Hat Certificate System 7.3 for 4ES:
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is <email@example.com>. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2009 Red Hat, Inc.
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