CVE-2024-30395 Information

Description

An Improper Validation of Specified Type of Input vulnerability in Routing Protocol Daemon (RPD) of Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker to cause Denial of Service (DoS).

If a BGP update is received over an established BGP session which contains a tunnel encapsulation attribute with a specifically malformed TLV rpd will crash and restart. This issue affects:

Junos OS:

all versions before 21.2R3-S7 

from 21.3 before 21.3R3-S5 

from 21.4 before 21.4R3-S5 

from 22.1 before 22.1R3-S5 

from 22.2 before 22.2R3-S3 

from 22.3 before 22.3R3-S2 

from 22.4 before 22.4R3 

from 23.2 before 23.2R1-S2 23.2R2.

Junos OS Evolved:

all versions before 21.2R3-S7-EVO 

from 21.3-EVO before 21.3R3-S5-EVO 

from 21.4-EVO before 21.4R3-S5-EVO 
from 22.2-EVO before 22.2R3-S3-EVO 

from 22.3-EVO before 22.3R3-S2-EVO 

from 22.4-EVO before 22.4R3-EVO 

from 23.2-EVO before 23.2R1-S2-EVO 23.2R2-EVO.

This is a related but separate issue than the one described in JSA75739

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/JSA79095 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: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