CVE-2024-39541: Junos OS and Junos OS Evolved: Inconsistent information in the TE database can lead to an rpd crash
First published: Thu Jul 11 2024(Updated: )
An Improper Handling of Exceptional Conditions vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS). When conflicting information (IP or ISO addresses) about a node is added to the Traffic Engineering (TE) database and then a subsequent operation attempts to process these, rpd will crash and restart. This issue affects: Junos OS: * 22.4 versions before 22.4R3-S1, * 23.2 versions before 23.2R2, * 23.4 versions before 23.4R1-S1, 23.4R2, This issue does not affect Junos OS versions earlier than 22.4R1. Junos OS Evolved: * 22.4-EVO versions before 22.4R3-S2-EVO, * 23.2-EVO versions before 23.2R2-EVO, * 23.4-EVO versions before 23.4R1-S1-EVO, 23.4R2-EVO, This issue does not affect Junos OS Evolved versions earlier than before 22.4R1.
Credit: sirt@juniper.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Juniper JUNOS | <22.4R3-S1<23.2R2<23.4R1-S1<23.4R2 | |
| Juniper Networks Junos OS | <22.4R3-S2-EVO<23.2R2-EVO<23.4R1-S1-EVO<23.4R2-EVO |
Remedy
The following software releases have been updated to resolve this specific issue: Junos OS: 22.4R3-S1, 23.2R2, 23.4R1-S1, 23.4R2, 24.2R1, and all subsequent releases; Junos OS Evolved: 22.4R3-S2-EVO, 23.2R2-EVO, 23.4R1-S1-EVO, 23.4R2-EVO, 24.2R1-EVO, and all subsequent releases.
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-39541?
CVE-2024-39541 has been classified as a medium severity vulnerability due to its potential to cause a Denial-of-Service (DoS) condition.
How do I fix CVE-2024-39541?
To resolve CVE-2024-39541, update Junos OS or Junos OS Evolved to a version that is not affected by the vulnerability.
What systems are affected by CVE-2024-39541?
CVE-2024-39541 affects various versions of Juniper Networks Junos OS and Junos OS Evolved.
Who can exploit CVE-2024-39541?
An unauthenticated, adjacent attacker can exploit CVE-2024-39541 to cause a Denial-of-Service condition.
What type of vulnerability is CVE-2024-39541?
CVE-2024-39541 is classified as an Improper Handling of Exceptional Conditions vulnerability.
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