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CVE-2023-31490

Published: 9 May 2023

An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function.

Notes

AuthorNote
mdeslaur
code doesn't look to be in quagga

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
frr
Launchpad, Ubuntu, Debian
bionic Does not exist

focal
Released (7.2.1-1ubuntu0.2+esm2)
Available with Ubuntu Pro
jammy
Released (8.1-1ubuntu1.4)
kinetic
Released (8.1-1ubuntu3.2)
lunar
Released (8.4.2-1ubuntu1.1)
mantic Not vulnerable
(8.4.4-1.1ubuntu1)
noble Not vulnerable
(8.4.4-1.1ubuntu1)
trusty Ignored
(end of standard support)
upstream
Released (8.4.4-1)
xenial Ignored
(end of standard support)
Patches:
upstream: https://github.com/FRRouting/frr/commit/06431bfa7570f169637ebb5898f0b0cc3b010802

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H