Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Frrouting | Frrouting | 8.3 |
| Fedoraproject | Fedora | 36 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://github.com/spwpun/pocsThird Party Advisory
- https://github.com/spwpun/pocs/blob/main/frr-bgpd.mdExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00020.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://www.debian.org/security/2023/dsa-5495Third Party Advisory
- https://github.com/spwpun/pocsThird Party Advisory
- https://github.com/spwpun/pocs/blob/main/frr-bgpd.mdExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00020.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://www.debian.org/security/2023/dsa-5495Third Party Advisory
FAQ
What is CVE-2022-36440?
CVE-2022-36440 is a vulnerability with a CVSS score of 7.5 (HIGH). 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, r...
How severe is CVE-2022-36440?
CVE-2022-36440 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-36440?
Check the references section above for vendor advisories and patch information. Affected products include: Frrouting Frrouting, Fedoraproject Fedora, Debian Debian Linux.