CVE-2023-38802

Description

FRRouting FRR 7.5.1 through 9.0 and Pica8 PICOS 4.3.3.2 allow a remote attacker to cause a denial of service via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation).

References

https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling

https://news.ycombinator.com/item?id=37305800

https://www.debian.org/security/2023/dsa-5495 (DSA-5495) vendor-advisory

https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html ([debian-lts-announce] 20230919 [SECURITY] [DLA 3573-1] frr security update) mailing-list

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/ (FEDORA-2023-514db5339e) vendor-advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO/ (FEDORA-2023-ce436d56f8) vendor-advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/ (FEDORA-2023-61abba57d8) vendor-advisory

cve.org CVE-2023-38802

nvd.nist.gov CVE-2023-38802

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