CVE-2023-41909

2023-09-0507:15:14

Debian Security Bug Tracker

security-tracker.debian.org

frrouting

frr

9.0

null pointer

bgp_nlri_parse_flowspec

bgpd

bgp_flowspec.

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0005 Low

EPSS

Percentile

18.2%

JSON

An issue was discovered in FRRouting FRR through 9.0. bgp_nlri_parse_flowspec in bgpd/bgp_flowspec.c processes malformed requests with no attributes, leading to a NULL pointer dereference.

OSVersionArchitecturePackageVersionFilename
Debian12allfrr< 8.4.4-1frr_8.4.4-1_all.deb
Debian11allfrr<= 7.5.1-1.1+deb11u2frr_7.5.1-1.1+deb11u2_all.deb
Debian10allfrr< 7.5.1-1.1+deb10u1frr_7.5.1-1.1+deb10u1_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	frr_8.4.4-1_all.deb
Debian	11	all	frr	<= 7.5.1-1.1+deb11u2	frr_7.5.1-1.1+deb11u2_all.deb
Debian	10	all	frr	< 7.5.1-1.1+deb10u1	frr_7.5.1-1.1+deb10u1_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