IBM i OSPF is affected by this security vulnerability. IBM i has addressed this vulnerability.
DESCRIPTION: IBM i OSPF is vulnerable when a rogue router spoofs its origin. Routing tables are affected by a missing LSA, which may lead to loss of connectivity.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/128379 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
Releases 6.1, 7.1, 7.2 and 7.3 of IBM i are affected.
The issue can be fixed by applying a PTF to IBM i.
Releases 6.1, 7.1, 7.2 and 7.3 of IBM i are supported and will be fixed.
The IBM i PTF numbers are:
Release 6.1 – SI64413
Release 7.1 – SI64412
Release 7.2 – SI64411
Release 7.3 – SI64350
Important note: IBM recommends that all users running unsupported versions of affected products upgrade to supported and fixed version of affected products.
Workarounds and Mitigations
Get Notified about Future Security Bulletins
This vulnerability was identified by Gabi Nakibly, Chief Research Scientist of the National Research & Simulation Center at Rafael.
*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.
18 December 2019