TIBCO Security Advisory: June 9, 2020 - TIBCO Managed File Transfer PlatformServer for IBMi

TIBCO Managed File Transfer Platform Server for IBM i Authentication Bypass

Original release date: June 9, 2020
Last revised:
CVE-2020-9411
Source: TIBCOSoftware Inc.

TIBCO Managed File Transfer Platform Server for IBM i Authentication Bypass

Original release date: June 9, 2020
Last revised: —
Source: TIBCO Software Inc.

Systems Affected

TIBCO Managed File Transfer Platform Server for IBM i versions 7.1.0 and
below
TIBCO Managed File Transfer Platform Server for IBM i version 8.0.0

The following component is affected:

• file transfer

Description

The component listed above contains a vulnerability that theoretically allows
an attacker to perform unauthorized network file transfers to and from the
file system accessible to the affected component. This vulnerability is
exploitable when the configuration option ‘Require Node Resp’ is set to ‘No’.
In the event of a successful exploit, the attacker could theoretically read
and write any file on the file system accessible to the affected component,
thus fully affecting the confidentiality, integrity, and availability of the
operating system hosting the deployment of the affected system.

Impact

The impact of this vulnerability includes the possibility that an attacker
could gain access to the contents of files they are otherwise not authorized
to see, and modify files they otherwise should not be able to change, and
affect the availability of the hosting system, by way of damaging critical
system files.

CVSS v3 Base Score: 10.0 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)

Solution

TIBCO has released updated versions of the affected systems which address this
issue:

TIBCO Managed File Transfer Platform Server for IBM i versions 7.1.0 and
below update to version 7.1.1 or higher
TIBCO Managed File Transfer Platform Server for IBM i version 8.0.0 update
to version 8.0.1 or higher

For an alternate remediation, change the configuration option ‘Require Node
Resp’ to ‘Yes’, and also explicitly add all of the nodes accessing the
affected system that have not yet been added to the configuration.

References

http://www.tibco.com/services/support/advisories
CVE-2020-9411

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