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Security Bulletin: IBM Sterling Connect:Direct for OpenVMS. Unencrypted data transfers can occur even when SSL encryption is specified in the security configuration. (CVE-2013-4035)

Flash (Alert)


Unencrypted data transfers can occur even when SSL encryption is specified in the security configuration.


CVEID: CVE-2013-4035
When Connect:Direct for OpenVMS is the server in a TCP/IP session, and the
client requests an unencrypted session, C:D OpenVMS will allow the unencrypted
session to proceed even if it is configured for SSL encryption with the client. The
correct response is to reject the requested unencrypted session.

CVSS Base Score: 3.8
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:A/AC:M/Au:S/C:P/I:P/A:N)

All supported versions are affected.
* IBM Sterling Connect:Direct for OpenVMS, 3.6.0,
* Sterling Connect:Direct for OpenVMS, legacy versions 3.4.00, 3.4.01, 3.5.00


The recommended solution is to apply the specified fix pack as soon as possible. Available fixes are listed below.

- Version 3.6.0: apply fix pack (Aug 2013) or any later fix pack (available
on Fix Central)
- Version 3.5.00: apply the August 2013 3.5.00 fix pack, or any later fix pack for
3.5.00 (available on IWM)
- Versions 3.4.00, 3.4.01: apply the August 2013 3.4.01 fix pack, or any later fix
pack for 3.4.01 (available on IWM)

Workaround(s) & Mitigation(s):
None known; apply fixes.

· Complete CVSS Guide
· On-line Calculator V2

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog


22 August 2013 Original draft published for review
28 August 2013 Submitted to PSIRT ops for final approval
30 August 2013 Submitted for publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Flash.

Note: According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document information

More support for: Sterling Connect:Direct for OpenVMS

Software version: 3.5, 3.6

Operating system(s): OpenVMS

Reference #: 1648620

Modified date: 30 August 2013

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