VulnerabilityModified
CVE-2023-38406
bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."
CRITICAL 9.8EPSS 0.94%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.94% probability · 59th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-755
- Affected
- frrouting/frrouting
- Source
- cve@mitre.org
References
- https://github.com/FRRouting/frr/compare/frr-8.4.2...frr-8.4.3Patch
- https://github.com/FRRouting/frr/pull/12884Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
- https://github.com/FRRouting/frr/compare/frr-8.4.2...frr-8.4.3Patch
- https://github.com/FRRouting/frr/pull/12884Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
- https://lists.debian.org/debian-lts-announce/2024/09/msg00007.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.