CVE-2024-30382 Information

Description

An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based unauthenticated attacker to send a specific routing update causing an rpd core due to memory corruption leading to a Denial of Service (DoS).

This issue can only be triggered when the system is configured for CoS-based forwarding (CBF) with a policy map containing a cos-next-hop-map action (see below). This issue affects: Junos OS:

all versions before 20.4R3-S10 
from 21.2 before 21.2R3-S8
from 21.3 before 21.3R3 
from 21.4 before 21.4R3 
from 22.1 before 22.1R2;

Junos OS Evolved:

all versions before 21.2R3-S8-EVO
from 21.3 before 21.3R3-EVO 
from 21.4 before 21.4R3-EVO 
from 22.1 before 22.1R2-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/JSA79174 https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L

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