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CVE-2022-37035

Published: 2 August 2022

An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgp_notify_send_with_data() and bgp_process_packet() in bgp_packet.c, there is a possible use-after-free due to a race condition. This could lead to Remote Code Execution or Information Disclosure by sending crafted BGP packets. User interaction is not needed for exploitation.

Notes

AuthorNote
mdeslaur
code doesn't appear to be present in quagga

Priority

Medium

Cvss 3 Severity Score

8.1

Score breakdown

Status

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

focal Needed

jammy
Released (8.1-1ubuntu1.2)
kinetic
Released (8.1-1ubuntu3)
lunar
Released (8.1-1ubuntu3)
mantic
Released (8.1-1ubuntu3)
trusty Does not exist

upstream Needs triage

xenial Does not exist

Patches:
upstream: https://github.com/FRRouting/frr/pull/11926
upstream: https://github.com/FRRouting/frr/commit/71ca5b09bc71e8cbe38177cf41e83fe164e52eee

Severity score breakdown

Parameter Value
Base score 8.1
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H