CVE-2022-36440
Published: 3 April 2023
A reachable assertion was found in Frrouting frr-bgpd 8.3.0 in the peek_for_as4_capability function. Attackers can maliciously construct BGP open packets and send them to BGP peers running frr-bgpd, resulting in DoS.
Notes
Author | Note |
---|---|
mdeslaur | introduced by https://github.com/FRRouting/frr/commit/d08c0c8077fbb3e100ed2e87927edec1a09d224b |
Priority
Status
Package | Release | Status |
---|---|---|
frr Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Not vulnerable
(7.2.1-1ubuntu0.2)
|
|
jammy |
Not vulnerable
(8.1-1ubuntu1.3)
|
|
kinetic |
Not vulnerable
(8.1-1ubuntu3.1)
|
|
lunar |
Not vulnerable
(8.4.2-1ubuntu1)
|
|
trusty |
Ignored
(end of standard support)
|
|
upstream |
Released
(8.4.1-1)
|
|
xenial |
Ignored
(end of standard support)
|
|
Patches: upstream: https://github.com/FRRouting/frr/commit/3e46b43e3788f0f87bae56a86b54d412b4710286 (base_8.4) |
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 |