<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Tivoli Netcool/OMNIbus - CraftedSignal Threat Feed</title><link>https://feed.craftedsignal.io/products/tivoli-netcool/omnibus/</link><description>Trending threats, MITRE ATT&amp;CK coverage, and detection metadata. Fed continuously.</description><generator>Hugo</generator><language>en</language><managingEditor>hello@craftedsignal.io</managingEditor><webMaster>hello@craftedsignal.io</webMaster><lastBuildDate>Tue, 04 Aug 2026 13:37:54 +0000</lastBuildDate><atom:link href="https://feed.craftedsignal.io/products/tivoli-netcool/omnibus/feed.xml" rel="self" type="application/rss+xml"/><item><title>Multiple Denial of Service Vulnerabilities in IBM Tivoli Netcool/OMNIbus</title><link>https://feed.craftedsignal.io/briefs/2026-08-netcool-dos/</link><pubDate>Tue, 04 Aug 2026 13:37:54 +0000</pubDate><author>hello@craftedsignal.io</author><guid isPermaLink="true">https://feed.craftedsignal.io/briefs/2026-08-netcool-dos/</guid><description>Multiple Denial of Service vulnerabilities in IBM Tivoli Netcool/OMNIbus, potentially involving vulnerable Immutable.js libraries, allow unauthenticated remote attackers to disrupt service availability.</description><content:encoded><![CDATA[<p>The German Federal Office for Information Security (BSI) has reported multiple Denial of Service (DoS) vulnerabilities affecting IBM Tivoli Netcool/OMNIbus. These flaws originate from the integration of vulnerable versions of the Immutable.js library within the application framework. An unauthenticated, remote attacker can leverage these vulnerabilities to trigger a state of service unavailability, impacting the core functions of the monitoring and event management platform. Due to the nature of DoS vulnerabilities, defenders should prioritize monitoring for resource exhaustion, unusual traffic patterns, or sudden application crashes that correlate with anomalous input sent to the Netcool/OMNIbus management interfaces.</p>
<h2 id="impact">Impact</h2>
<p>Successful exploitation of these vulnerabilities leads to a Denial of Service, causing the Tivoli Netcool/OMNIbus platform to become unresponsive. This disruption prevents security operations and network management teams from processing real-time events and alerts, effectively blinding critical monitoring capabilities. The number of potentially affected installations is significant given the platform's prevalence in enterprise-scale infrastructure management.</p>
<h2 id="recommendation">Recommendation</h2>
<p>Prioritize checking with IBM security bulletins for available patches or mitigation guidance regarding the Immutable.js dependency. Monitor server logs for repeated error codes or application service restarts that may indicate ongoing DoS attempts.</p>
]]></content:encoded><category domain="severity">medium</category><category domain="type">advisory</category><category>denial-of-service</category><category>vulnerability</category><category>enterprise-monitoring</category></item></channel></rss>