CVE-2023-38406

2023-11-0606:15:40

Debian Security Bug Tracker

security-tracker.debian.org

cve-2023-38406

frrouting

bgpd

bgp_flowspec.c

flowspec overflow

unix

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

6.9 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

27.3%

JSON

bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a “flowspec overflow.”

OSVersionArchitecturePackageVersionFilename
Debian12allfrr< 8.4.4-1.1~deb12u1frr_8.4.4-1.1~deb12u1_all.deb
Debian11allfrr<= 7.5.1-1.1+deb11u2frr_7.5.1-1.1+deb11u2_all.deb
Debian999allfrr< 8.4.4-1frr_8.4.4-1_all.deb
Debian13allfrr< 8.4.4-1frr_8.4.4-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	frr	< 8.4.4-1.1~deb12u1	frr_8.4.4-1.1~deb12u1_all.deb
Debian	11	all	frr	<= 7.5.1-1.1+deb11u2	frr_7.5.1-1.1+deb11u2_all.deb
Debian	999	all	frr	< 8.4.4-1	frr_8.4.4-1_all.deb
Debian	13	all	frr	< 8.4.4-1	frr_8.4.4-1_all.deb