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HistoryJun 28, 2023 - 10:07 p.m.

Security Bulletin: A security vulnerability has been identified in Open SSL, which is shipped with IBM Tivoli Network Manager IP Edition (CVE-2018-0732).

2023-06-2822:07:04
www.ibm.com
27

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.05 Low

EPSS

Percentile

92.7%

Summary

Open SSL 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-2018-0732 Description: OpenSSL is vulnerable to a denial of service, caused by the sending of a very large prime value to the client by a malicious server during key agreement in a TLS handshake. By spending an unreasonably long period of time generating a key for this prime, a remote attacker could exploit this vulnerability to cause the client to hang.
CVSS Base Score: 3.7
CVSS Temporal Score: <https://exchange.xforce.ibmcloud.com/vulnerabilities/144658&gt; for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

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

Remediation/Fixes

IBM Tivoli Network Manager IP Edition 3.9 FP4 and FP5 |APAR IJ08956 |

Please call IBM service and reference APAR IJ08956, to obtain a fix.

—|—|—

Please also note the end of support announcement from 12 September 2017 for selected Netcool product versions.
You can find detailed information on whether the product version you have installed in your environment is affected by this end of service announcement by following the Netcool End of Support Knowledge Collection. If your product version is affected, IBM recommend to upgrade your product version to the latest supported version of your product.
Please contact your IBM account manager for any question you might have or for any assistance you may require for upgrading an end of service announced offering.

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.

CPENameOperatorVersion
tivoli network manager ip editioneq3.9

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.05 Low

EPSS

Percentile

92.7%