CVE-2022-36440

Description

A reachable assertion was found in Frrouting frr-bgpd 8.3.0 in the peek_for_as4_capability function. Attackers can maliciously construct BGP open packets and send them to BGP peers running frr-bgpd, resulting in DoS.

References

https://www.debian.org/security/2023/dsa-5495

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GM66PNHGCXZU66LQCTP2FSJLFF6CVMSI/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBXEXL2ZQBWCBLNUP6P67FHECXQWSK3L/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3HU4PKLUVB5CTMOVQ2GV33TNUNMJCBGD/

https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html

https://github.com/spwpun/pocs/blob/main/frr-bgpd.md

https://github.com/spwpun/pocs

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3