CVE-2022-36440

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.

Published: Apr 3, 2023
Updated: Apr 14, 2023
CVE: CVE-2022-36440
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWEs:

CWE-617

Affected Software
References

Software	From	Fixed in
frrouting / frrouting	8.3	8.3.x
fedoraproject / fedora	36	36.x
fedoraproject / fedora	37	37.x
fedoraproject / fedora	38	38.x
debian / debian_linux	10.0	10.0.x
debian / debian_linux	11.0	11.0.x
debian / debian_linux	12.0	12.0.x

https://github.com/spwpun/pocs
https://github.com/spwpun/pocs/blob/main/frr-bgpd.md
https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html
https://lists.fedoraproject.org/archives/list/[email protected]/message/3HU4PKLUVB5CTMOVQ2GV33TNUNMJCBGD/
https://lists.fedoraproject.org/archives/list/[email protected]/message/BBXEXL2ZQBWCBLNUP6P67FHECXQWSK3L/
https://lists.fedoraproject.org/archives/list/[email protected]/message/GM66PNHGCXZU66LQCTP2FSJLFF6CVMSI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3HU4PKLUVB5CTMOVQ2GV33TNUNMJCBGD/
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/GM66PNHGCXZU66LQCTP2FSJLFF6CVMSI/
https://www.debian.org/security/2023/dsa-5495

Vulnerability Database

289,599

CVE-2022-36440