CVE-2024-21612

Summary

CVE-2024-21612 is a Denial of Service (DoS) vulnerability affecting the Object Flooding Protocol (OFP) service in Juniper Networks Junos OS Evolved. An unauthenticated, network-based attacker can exploit this Improper Handling of Syntactically Invalid Structure vulnerability by sending specific TCP packets to an open OFP port. Upon receiving these packets, the OFP service crashes, triggering a Routine Engine (RE) restart. Continuous transmission of these packets leads to a sustained DoS condition. This issue impacts Juniper Networks Junos OS Evolved on all versions earlier than 21.2R3-S7-EVO, 21.3 versions earlier than 21.3R3-S5-EVO, 21.4 versions earlier than 21.4R3-S5-EVO, 22.1 versions earlier than 22.1R3-S4-EVO, 22.2 versions earlier than 22.2R3-S3-EVO, 22.3 versions earlier than 22.3R3-EVO, and 22.4 versions earlier than 22.4R2-EVO and 22.4R3-EVO.

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