Vulnerabilities > CVE-2022-36440 - Reachable Assertion vulnerability in multiple products

CVSS 7.5 - HIGH

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

NVD

Published: 2023-04-03

Updated: 2024-02-01

Summary

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.

Vulnerable Configurations

Part	Description	Count
Application	Frrouting Frrouting Frrouting 8.3	1
OS	Fedoraproject Fedoraproject Fedora 36 Fedoraproject Fedora 37 Fedoraproject Fedora 38	3
OS	Debian Debian Debian Linux 10.0 Debian Debian Linux 11.0 Debian Debian Linux 12.0	3

Common Weakness Enumeration (CWE)

CWE-617 - Reachable Assertion

References

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