A Security Vulnerability in Sun Virtual Desktop Infrastructure (VDI) Software 3.0 may Lead to Inadvertent use of an Insecure LDAP Connection

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A security vulnerability in Sun Virtual Desktop Infrastructure (VDI) Software 3.0 may lead to inadvertent use of an insecure LDAP connection:

1. Impact

A security vulnerability in Sun Virtual Desktop Infrastructure (VDI) Software 3.0 may allow a remote privileged user to be able to view client LDAP requests for VDI configuration data.

2. Contributing Factors

This issue can occur in the following releases:

SPARC Platform

• Sun VDI Software 3.0 (for Solaris 10) without patch 141481-02

x86 Platform

• Sun VDI Software 3.0 (for Solaris 10) without patch 141482-02
  

Note 1: Sun VDI 2.0 does not provide integration with LDAP directories and therefore is not impacted by this issue.

To determine the version of Sun Virtual Desktop Infrastructure Software on a system, the following command can be run:

    $ /usr/bin/pkginfo -l SUNWvda-service  |  grep -i version

Note 2: Only systems which have been setup to use a secure LDAP connection are vulnerable to this issue. To determine if a system has been set up in this way, execute the following command:

    # /opt/SUNWvda/sbin/vda directory-show
    Authentication: secure
    ...

3. Symptoms

There are no predictable symptoms that would indicate the described issue has been exploited.

Unless the LDAP User Directory has an insecure configuration, the Sun VDI 3.0 service will not function.

4. Workaround

To work around this issue, anonymous binding should be disabled (using ACLs or other settings, depending on the type of LDAP directory used) on the LDAP directory to prevent the silent fallback to unencrypted connection.

5. Resolution

This issue is addressed in the following releases:

SPARC Platform

• Sun VDI Software 3.0 (for Solaris 10) with patch 141481-02 or later
  

x86 Platform

• Sun VDI Software 3.0 (for Solaris 10) with patch 141482-02 or later

For more information on Security Sun Alerts, see Technical Instruction ID 213557.


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