CVEvulnerability
CVE-2022-36440
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-04-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-617
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.
Affected configurations
• frrouting frrouting 8.3
• fedoraproject fedora 36
• fedoraproject fedora 37
• fedoraproject fedora 38
• debian debian linux 10.0
• debian debian linux 11.0
• debian debian linux 12.0
Related
Weakness · CWE (1)
- CWE-617 Reachable Assertion weakness
References
- https://github.com/spwpun/pocs Third Party Advisory
- https://github.com/spwpun/pocs/blob/main/frr-bgpd.md Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3HU4PKLUVB5CTMOVQ2GV33TNUNMJCBGD/ Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBXEXL2ZQBWCBLNUP6P67FHECXQWSK3L/ Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GM66PNHGCXZU66LQCTP2FSJLFF6CVMSI/ Mailing List, Third Party Advisory
- https://www.debian.org/security/2023/dsa-5495 Third Party Advisory
- https://github.com/spwpun/pocs Third Party Advisory
- https://github.com/spwpun/pocs/blob/main/frr-bgpd.md Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3HU4PKLUVB5CTMOVQ2GV33TNUNMJCBGD/ Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBXEXL2ZQBWCBLNUP6P67FHECXQWSK3L/ Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GM66PNHGCXZU66LQCTP2FSJLFF6CVMSI/ Mailing List, Third Party Advisory
- https://www.debian.org/security/2023/dsa-5495 Third Party Advisory