TIBCO Security Advisory: June 5, 2006 - TIBCORendezvous®

TIBCO Rendezvous®vulnerability

Original release date: June 5, 2006
Last revised: February 8, 2019
Source: TIBCO Software Inc.

TIBCO would like toextend its appreciation to Andrés Tarascó Acuña of the SIA Group for discovery of this vulnerability, which has been addressed in the 7.5.1release.

TIBCO Rendezvous vulnerability

Original release date: June 5, 2006
Last revised: –
Source: TIBCO Software Inc.

Systems Affected

TIBCO Rendezvous versions below 7.5.1

TIBCO Runtime Agent (TRA) versions below 5.4

TIBCO Hawk versions below 4.6.1

The following components are affected:

• TIBCO Rendezvous Routing Daemon (rvrd)
• TIBCO Rendezvous Secure Routing Daemon (rvsrd)
• TIBCO Rendezvous Secure Daemon (rvsd)
• TIBCO Rendezvous Cache (rvcache)
• TIBCO Rendezvous Agent (rva)

Overview

TIBCO Rendezvous daemon components listed above contain a buffer
overflow vulnerability in the HTTP administrative interface.
The impact of this vulnerability may include remote execution of
arbitrary code, information disclosure, and denial of service.

I. Description

TIBCO has released updates which address critical vulnerabilities
in daemon components of TIBCO Rendezvous and TIBCO Runtime Agent.
TIBCO strongly recommends sites running the affected components to
install the update or take mitigating action as appropriate.

II. Impact

The impact of this vulnerability varies depending on the operating
system, configuration options of the daemon, and the privilege
levels of the user that invokes the daemon.

On Unix based systems, the successful exploit will allow arbitrary
code execution with the privileges of the user that invoked that
daemon, with the exception of user id 0 (“root”). If the daemon
component was invoked by user id 0, a successful exploit will
result in access to privileges of user id 65534 (“nobody”).

On Windows based systems, the successful exploit will allow
arbitrary code execution with the privileges of the user that
invoked that daemon. If the daemon component is installed as
a system service, this will result in access to system privileges.

III. Solution

Upgrade TIBCO Rendezvous to version 7.5.1 or above. This is
strongly recommended.

If an upgrade is not possible, the following actions can mitigate
the vulnerability:

• Disable the HTTP administrative interface by use of the
  “-no-http” option. This will block the vulnerability
  completely.
• Set the administrative username and password of the daemon
  component. This will restrict access to the vulnerability
  to users possessing administrative access to the daemon
  component. It is also recommended that the administration
  interface be restricted to HTTPS by use of the “-https-only”
  option.
• Restrict access to the HTTP administrative interface to users
  on the local host by use of the “-http” and “-https” options
  (example: “-http 127.0.0.1:7580 -https 127.0.0.1:7585”). This
  will restrict access to the vulnerability to users with login
  access to the host.
• Use a user with restricted privileges to invoke the daemon
  components.
• On Unix systems, invoke the daemon components from a chroot
  environment. This will restrict the ability to access or
  modify information in the event of a successful exploit.

References

http://www.tibco.com/mk/advisory.jsp

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TIBCO would like to extend its appreciation to Andrés Tarascó Acuña
of the SIA Group for discovery of this vulnerability, which has been
addressed in the 7.5.1 release.

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