CVE-2024-39545: Junos OS: SRX Series, MX Series with SPC3 and NFX350: When VPN tunnels parameters are not configured in specific way the iked process will crash

Published Jul 11, 2024
·
Updated

An Improper Check for Unusual or Exceptional Conditions vulnerability in the the IKE daemon (iked) of Juniper Networks Junos OS on SRX Series, MX Series with SPC3 and NFX350 allows allows an unauthenticated, network-based attacker sending specific mismatching parameters as part of the IPsec negotiation to trigger an iked crash leading to Denial of Service (DoS).

This issue is applicable to all platforms that run iked. This issue affects Junos OS on SRX Series, MX Series with SPC3 and NFX350:

All versions before 21.2R3-S8,  from 21.4 before 21.4R3-S7,  from 22.1 before 22.1R3-S2,  from 22.2 before 22.2R3-S1,  from 22.3 before 22.3R2-S1, 22.3R3,  from 22.4 before 22.4R1-S2, 22.4R2, 22.4R3.

Affected Software

88 affected components
Juniper Networks Junos OS<21.2R3-S8, >21.4, <21.4R3-S7, >22.1, <22.1R3-S2, >22.2, <22.2R3-S1, >22.3, <22.3R2-S1, >=22.3R3, >22.4, <22.4R1-S2, >=22.4R2, >=22.4R3
All of the following
Any of the following
Juniper Junos<21.2
Juniper Junos=21.2
Juniper Junos=21.2-r1
Juniper Junos=21.2-r1-s1
Juniper Junos=21.2-r1-s2
Juniper Junos=21.2-r2
Juniper Junos=21.2-r2-s1
Juniper Junos=21.2-r2-s2
Juniper Junos=21.2-r3
Juniper Junos=21.2-r3-s1
Juniper Junos=21.2-r3-s2
Juniper Junos=21.2-r3-s3
Juniper Junos=21.2-r3-s4
Juniper Junos=21.2-r3-s5
Juniper Junos=21.2-r3-s6
Juniper Junos=21.2-r3-s7
Juniper Junos=21.4
Juniper Junos=21.4-r1
Juniper Junos=21.4-r1-s1
Juniper Junos=21.4-r1-s2
Juniper Junos=21.4-r2
Juniper Junos=21.4-r2-s1
Juniper Junos=21.4-r2-s2
Juniper Junos=21.4-r3
Juniper Junos=21.4-r3-s1
Juniper Junos=21.4-r3-s2
Juniper Junos=21.4-r3-s3
Juniper Junos=21.4-r3-s4
Juniper Junos=21.4-r3-s5
Juniper Junos=21.4-r3-s6
Juniper Junos=22.1
Juniper Junos=22.1-r1
Juniper Junos=22.1-r1-s1
Juniper Junos=22.1-r1-s2
Juniper Junos=22.1-r2
Juniper Junos=22.1-r2-s1
Juniper Junos=22.1-r2-s2
Juniper Junos=22.1-r3
Juniper Junos=22.1-r3-s1
Juniper Junos=22.2
Juniper Junos=22.2-r1
Juniper Junos=22.2-r1-s1
Juniper Junos=22.2-r1-s2
Juniper Junos=22.2-r2
Juniper Junos=22.2-r2-s1
Juniper Junos=22.2-r2-s2
Juniper Junos=22.2-r3
Juniper Junos=22.3
Juniper Junos=22.3-r1
Juniper Junos=22.3-r1-s1
Juniper Junos=22.3-r1-s2
Juniper Junos=22.3-r2
Juniper Junos=22.3-r3
Juniper Junos=22.4
Juniper Junos=22.4-r1
Juniper Junos=22.4-r1-s1
Juniper Junos=22.4-r2
Juniper Junos=22.4-r3
Any of the following
Juniper MX-SPC3
Juniper Mx10004
Juniper MX10008
Juniper MX2008
Juniper MX2010
Juniper MX2020
Juniper MX204
Juniper MX240
Juniper MX304
Juniper MX480
Juniper MX960
Juniper NFX350
Juniper SRX1500
Juniper SRX1600
Juniper SRX2300
Juniper SRX300
Juniper SRX320
Juniper SRX340
Juniper SRX345
Juniper Srx380
Juniper SRX4100
Juniper Srx4120
Juniper SRX4200
Juniper SRX4300
Juniper SRX4600
Juniper SRX4700
Juniper SRX5400
Juniper SRX5600
Juniper SRX5800

Remediation

Information

The following software releases have been updated to resolve this specific issue: Junos OS: 21.2R3-S8, 21.4R3-S7, 22.1R3-J1, 22.1R3-S2, 22.2R3-S1, 22.3R2-S1, 22.3R3, 22.4R1-S2, 22.4R2, 22.4R3, 23.2R1, and all subsequent releases.

Event History

Jul 11, 2024
CVE Published
via MITRE·04:22 PM
Data Sourced
via MITRE·04:22 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2024-39545?

CVE-2024-39545 has been rated as a high severity vulnerability.

2

What types of devices are affected by CVE-2024-39545?

CVE-2024-39545 affects Juniper Networks Junos OS on SRX Series, MX Series with SPC3, and NFX350 devices.

3

How do I fix CVE-2024-39545?

To fix CVE-2024-39545, it is recommended to apply the latest software updates from Juniper Networks.

4

What does CVE-2024-39545 exploit?

CVE-2024-39545 exploits an improper check for unusual or exceptional conditions in the IKE daemon of Junos OS.

5

Can CVE-2024-39545 be exploited remotely?

Yes, CVE-2024-39545 can be exploited by unauthenticated, network-based attackers.

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