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Security Bulletin: A security vulnerability has been identified in OpenSSL, which is shipped with IBM Tivoli Network Manager IP Edition (CVE-2018-0734)

Security Bulletin


OpenSSL is shipped with IBM Tivoli Network Manager IP Edition version 3.9. Information about a security vulnerability affecting Open SSL has been published here.

Vulnerability Details

CVE-ID: CVE-2018-0734
Description: OpenSSL could allow a remote attacker to obtain sensitive information, caused by a timing side channel attack in the DSA signature algorithm. An attacker could exploit this vulnerability using variations in the signing algorithm to recover the private key.
CVSS Base Score: 3.7
CVSS Temporal Score: for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

IBM Tivoli Network Manager IP Edition v3.9 Fix Pack 4 & Fix Pack 5.


IBM Tivoli Network Manager IP Edition 3.9 FP4 and FP5 APAR IJ15786

Please call IBM service and reference APAR IJ15786, to obtain a fix.

Workarounds and Mitigations

Only customers on ITNM v3.9 FP4 or FP5 who have Java SSL Collectors enabled may be affected. These collectors are not enabled by default.

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

9 May 2019 - Initial version published.

*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 Security Bulletin.


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: Tivoli Network Manager IP Edition

Software version: 3.9

Operating system(s): AIX, Linux, Solaris, Windows, z/OS

Reference #: 0883424

Modified date: 09 May 2019