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AUSCERT External Security Bulletin Redistribution
ESB-2008.0388 -- [RedHat]
Critical: redhat-ds-admin security update
17 April 2008
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AusCERT Security Bulletin Summary
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Product: Red Hat Directory Server 8
Publisher: Red Hat
Operating System: Red Hat Linux 4
Red Hat Linux 5
Impact: Execute Arbitrary Code/Commands
Access: Remote/Unauthenticated
CVE Names: CVE-2008-0893 CVE-2008-0892
Ref: ESB-2008.0387
Original Bulletin: https://rhn.redhat.com/errata/RHSA-2008-0201.html
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Red Hat Security Advisory
Synopsis: Critical: redhat-ds-admin security update
Advisory ID: RHSA-2008:0201-01
Product: Red Hat Directory Server
Advisory URL: https://rhn.redhat.com/errata/RHSA-2008-0201.html
Issue date: 2008-04-15
CVE Names: CVE-2008-0892 CVE-2008-0893
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1. Summary:
An updated redhat-ds-admin package that fixes security issues is now
available for Red Hat Directory Server 8.0.
This update has been rated as having critical security impact by the Red
Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Directory Server 8.0 (for AS v. 4) - i386, x86_64
Red Hat Directory Server 8.0 (for ES v. 4) - i386, x86_64
Red Hat Directory Server 8.0 (for RHEL 5 Server) - i386, x86_64
3. Description:
Red Hat Administration Server is an HTTP agent that provides management
features for Red Hat Directory Server, an LDAPv3 compliant server.
A shell command injection flaw was discovered in the Red Hat Administration
Server replication monitor CGI script used by Red Hat Directory Server 8.0.
An attacker with access to the replication monitor web page could execute
arbitrary shell commands with the privileges of the Administration Server.
Please Note: by default, the Red Hat Administration Server is run as the
unprivileged user, "nobody". (CVE-2008-0892)
It was discovered that the Red Hat Administration Server did to properly
restrict access to CGI scripts. An unauthenticated remote user with access
to the TCP port used by the Administration Server could access information
or perform certain tasks that should have been restricted to Directory
Server administrative users. Please note: by default the Red Hat
Administration Server uses port 9830, although this can be changed by the
Red Hat Directory Server administrator. (CVE-2008-0893)
In combination, these two flaws allowed an unauthenticated remote attacker
able to access the Red Hat Administration Server TCP port to run arbitrary
code as the user "nobody".
All users of Red Hat Directory Server should upgrade to this updated
package, which addresses these vulnerabilities.
4. Solution:
Users running Red Hat Directory Server on Red Hat Enterprise Linux:
Before applying this update, make sure that 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
http://kbase.redhat.com/faq/FAQ_58_10188
Users running Red Hat Directory Server on Solaris:
An archive (in .tar.gz format) containing the updated Solaris packages in
.pkg format is available in the Red Hat Directory Server 8.0 Solaris
channel on the Red Hat Network. This archive also contains a file with
further instructions about how to install/upgrade the packages using
Solaris native package management tools.
5. Bugs fixed (http://bugzilla.redhat.com/):
437301 - CVE-2008-0892 Director Server: shell command injection in CGI replication monitor
437320 - CVE-2008-0893 Directory Server: unrestricted access to CGI scripts
6. Package List:
Red Hat Directory Server 8.0 (for AS v. 4):
Source:
ftp://updates.redhat.com/enterprise/4AS/en/RHDirServ/SRPMS/redhat-ds-admin-8.0.0-6.el4dsrv.src.rpm
i386:
redhat-ds-admin-8.0.0-6.el4dsrv.i386.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el4dsrv.i386.rpm
x86_64:
redhat-ds-admin-8.0.0-6.el4dsrv.x86_64.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el4dsrv.x86_64.rpm
Red Hat Directory Server 8.0 (for ES v. 4):
Source:
ftp://updates.redhat.com/enterprise/4ES/en/RHDirServ/SRPMS/redhat-ds-admin-8.0.0-6.el4dsrv.src.rpm
i386:
redhat-ds-admin-8.0.0-6.el4dsrv.i386.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el4dsrv.i386.rpm
x86_64:
redhat-ds-admin-8.0.0-6.el4dsrv.x86_64.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el4dsrv.x86_64.rpm
Red Hat Directory Server 8.0 (for RHEL 5 Server):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/RHDirServ/SRPMS/redhat-ds-admin-8.0.0-6.el5dsrv.src.rpm
i386:
redhat-ds-admin-8.0.0-6.el5dsrv.i386.rpm
redhat-ds-admin-8.0.0-6.el5dsrv.i386.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el5dsrv.i386.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el5dsrv.i386.rpm
x86_64:
redhat-ds-admin-8.0.0-6.el5dsrv.x86_64.rpm
redhat-ds-admin-8.0.0-6.el5dsrv.x86_64.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el5dsrv.x86_64.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el5dsrv.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package
7. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0892
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0893
http://www.redhat.com/security/updates/classification/#critical
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2008 Red Hat, Inc.
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