A vulnerability in the Forwarding Information Base (FIB) code of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, network attacker to cause a denial of service (DoS) condition. The vulnerability is due to a limitation in the way the FIB is internally representing recursive routes. An attacker could exploit this vulnerability by injecting routes into the routing protocol that have a specific recursive pattern. The attacker must be in a position on the network that provides the ability to inject a number of recursive routes with a specific pattern. An exploit could allow the attacker to cause an affected device to reload, creating a DoS condition. Cisco Bug IDs: CSCva91655.
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History
Mon, 02 Dec 2024 21:15:00 +0000
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MITRE
Status: PUBLISHED
Assigner: cisco
Published: 2018-03-28T22:00:00
Updated: 2024-12-02T20:52:02.625Z
Reserved: 2017-11-27T00:00:00
Link: CVE-2018-0189
Vulnrichment
Updated: 2024-08-05T03:14:16.827Z
NVD
Status : Modified
Published: 2018-03-28T22:29:02.000
Modified: 2024-11-21T03:37:41.763
Link: CVE-2018-0189
Redhat
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