CVE-2023-38406

EUVD-2023-42223
bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 34%
Affected Products (NVD)
VendorProductVersion
frroutingfrrouting
𝑥
< 8.4.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
frr
bookworm
8.4.4-1.1~deb12u1
fixed
bookworm (security)
8.4.4-1.1~deb12u1
fixed
bullseye
vulnerable
bullseye (security)
7.5.1-1.1+deb11u3
fixed
sid
10.2.1-1
fixed
trixie
10.2.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
frr
bionic
ignored
focal
Fixed 7.2.1-1ubuntu0.2+esm2
released
jammy
Fixed 8.1-1ubuntu1.8
released
lunar
Fixed 8.4.2-1ubuntu1.6
released
mantic
not-affected
noble
not-affected
oracular
not-affected
trusty
ignored
xenial
ignored
quagga
bionic
not-affected
focal
not-affected
jammy
dne
lunar
dne
mantic
dne
noble
dne
oracular
dne
trusty
ignored
xenial
not-affected
Common Weakness Enumeration
References
https://github.com/FRRouting/frr/compare/frr-8.4.2...frr-8.4.3
https://github.com/FRRouting/frr/pull/12884
https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
https://github.com/FRRouting/frr/compare/frr-8.4.2...frr-8.4.3
https://github.com/FRRouting/frr/pull/12884
https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
https://lists.debian.org/debian-lts-announce/2024/09/msg00007.html