CVE-2024-30394 Information

Description

A Stack-based Buffer Overflow vulnerability in the Routing Protocol Daemon (RPD) component of Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker to cause an rpd crash leading to Denial of Service (DoS).

On all Junos OS and Junos OS Evolved platforms when EVPN is configured and a specific EVPN type-5 route is received via BGP rpd crashes and restarts. Continuous receipt of this specific route will lead to a sustained Denial of Service (DoS) condition.

This issue affects: Junos OS:

all versions before 21.2R3-S7

from 21.4 before 21.4R3-S5

from 22.1 before 22.1R3-S4

from 22.2 before 22.2R3-S2

from 22.3 before 22.3R3-S1

from 22.4 before 22.4R3

from 23.2 before 23.2R2.

Junos OS Evolved:

all versions before 21.4R3-S5-EVO

from 22.1-EVO before 22.1R3-S4-EVO

from 22.2-EVO before 22.2R3-S2-EVO

from 22.3-EVO before 22.3R3-S1-EVO

from 22.4-EVO before 22.4R3-EVO

from 23.2-EVO before 23.2R2-EVO.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://supportportal.juniper.net/JSA79094 https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5