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ubuntucveUbuntu.comUB:CVE-2023-38406
HistoryNov 06, 2023 - 12:00 a.m.

CVE-2023-38406

2023-11-0600:00:00
ubuntu.com
ubuntu.com
5
frrouting
version 8.4.3
flowspec overflow
nlri length
quagga project
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

6.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.5%

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

Notes

Author Note
sbeattie the quagga project was renamed to frr
OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchfrr< 7.2.1-1ubuntu0.2+esm2UNKNOWN
ubuntu22.04noarchfrr< 8.1-1ubuntu1.8UNKNOWN
ubuntu23.04noarchfrr< 8.4.2-1ubuntu1.6UNKNOWN

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

6.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.5%