CVE-2023-47235

Summary

CVE-2023-47235 is a vulnerability affecting FRRouting (FRR) versions up to 9.0.1. Maliciously crafted BGP UPDATE messages containing an End-of-Rib (EOR) can lead to a crash in FRR. Processing such messages does not result in the expected treat-as-withdrawal behavior, making the system susceptible to potential denial-of-service attacks. This issue poses a risk to networks that use FRR for their BGP routing. It is recommended that affected systems be updated to the latest stable version of FRR to mitigate this vulnerability.

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