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CVE-2023-47235

Published: 3 November 2023

An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur when a malformed BGP UPDATE message with an EOR is processed, because the presence of EOR does not lead to a treat-as-withdraw outcome.

Notes

AuthorNote
sbeattie
the quagga project was renamed to frr
mdeslaur
The code in quagga is different, there is no indication quagga
is vulnerable to this issue, marking as not-affected for now

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
frr
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Ignored
(end of standard support)
bionic Ignored
(end of standard support)
focal Needs triage

jammy
Released (8.1-1ubuntu1.8)
lunar
Released (8.4.2-1ubuntu1.6)
upstream Needs triage

mantic
Released (8.4.4-1.1ubuntu1.2)
Patches:
upstream: https://github.com/FRRouting/frr/commit/6814f2e0138a6ea5e1f83bdd9085d9a77999900b
upstream: https://github.com/FRRouting/frr/pull/14716/commits/6814f2e0138a6ea5e1f83bdd9085d9a77999900b
quagga
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
jammy Does not exist

lunar Does not exist

mantic Does not exist

upstream Needs triage

bionic Not vulnerable

focal Not vulnerable

xenial Not vulnerable

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