Vulnerability in Frrouting
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 · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.016 (75.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Frrouting — versions 8.3
- Debian Linux — versions 10.0, 11.0, 12.0
- Fedoraproject Fedora — versions 36, 37, 38
Weakness classification (CWE)
References
- github.com/spwpun/pocs (Third Party Advisory)
- github.com/spwpun/pocs/blob/main/frr-bgpd.md (Exploit, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List, Third Party Advisory)
- www.debian.org/security/2023/dsa-5495 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/09/msg00020.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-36440?
- CVE-2022-36440 is a high-severity vulnerability in Frrouting, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2023-04-03.
- How severe is CVE-2022-36440?
- High severity. CVSS v3 base score is 7.5 out of 10.