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
First published: Thu 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.
Credit: sirt@juniper.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Juniper Junos | <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 |
Remedy
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.
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-39545?
CVE-2024-39545 has been rated as a high severity vulnerability.
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.
How do I fix CVE-2024-39545?
To fix CVE-2024-39545, it is recommended to apply the latest software updates from Juniper Networks.
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.
Can CVE-2024-39545 be exploited remotely?
Yes, CVE-2024-39545 can be exploited by unauthenticated, network-based attackers.
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