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CVE-2022-26127

Published: 3 March 2022

A buffer overflow vulnerability exists in FRRouting through 8.1.0 due to missing a check on the input packet length in the babel_packet_examin function in babeld/message.c.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
frr
Launchpad, Ubuntu, Debian
focal Needs triage

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
impish Ignored
(end of life)
kinetic
Released (8.1-1ubuntu1)
lunar
Released (8.1-1ubuntu1)
jammy
Released (8.1-1ubuntu1)
mantic
Released (8.1-1ubuntu1)
Patches:
upstream: https://github.com/FRRouting/frr/commit/50044ec7fe129e0a74d3a679dd29fe17ce30e6bf

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H