CVE-2024-39564: Junos OS and Junos OS Evolved: Receipt of malformed BGP path attributes leads to RPD crash
First published: Wed Feb 05 2025(Updated: )
This is a similar, but different vulnerability than the issue reported as CVE-2024-39549. A double-free vulnerability in the routing process daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker to send a malformed BGP Path attribute update which allocates memory used to log the bad path attribute. This double free of memory is causing an rpd crash, leading to a Denial of Service (DoS). This issue affects: Junos OS: * from 22.4 before 22.4R3-S4. Junos OS Evolved: * from 22.4 before 22.4R3-S4-EVO.
Credit: sirt@juniper.net
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Juniper Networks Junos OS | >=22.4<22.4R3-S4 | |
| Juniper Networks Junos OS Evolved | >=22.4<22.4R3-S4-EVO |
Remedy
The following software releases have been updated to resolve this specific issue: Junos OS: 22.4R3-S4 and all subsequent releases. Junos OS Evolved: 22.4R3-S4-EVO and all subsequent releases.
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-39564?
CVE-2024-39564 is considered a medium-severity vulnerability due to the potential for exploitation through a double-free condition.
How do I fix CVE-2024-39564?
To mitigate CVE-2024-39564, you should update to the latest version of Junos OS or Junos OS Evolved that addresses this vulnerability.
Which versions of Junos OS are affected by CVE-2024-39564?
CVE-2024-39564 affects Junos OS versions from 22.4 to just before 22.4R3-S4.
Is Junos OS Evolved affected by CVE-2024-39564?
Yes, Junos OS Evolved versions from 22.4 to just before 22.4R3-S4-EVO are affected by CVE-2024-39564.
What type of vulnerability is CVE-2024-39564?
CVE-2024-39564 is a double-free vulnerability specifically occurring in the routing process daemon (rpd) of Juniper Networks' products.
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