CVE-2024-39564

Junos OS and Junos OS Evolved: Receipt of malformed BGP path attributes leads to RPD crash

Description

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.

Remediation

Solution:

  • 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.

Workaround:

  • There are no known workarounds for this issue.

Category

8.7
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.06%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS Evolved
Published at:
Updated at:

References

Link Tags
https://supportportal.juniper.net/JSA83011 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-39564?
CVE-2024-39564 has been scored as a high severity vulnerability.
How to fix CVE-2024-39564?
To fix CVE-2024-39564: 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.
Is CVE-2024-39564 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-39564 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-39564?
CVE-2024-39564 affects Juniper Networks Junos OS, Juniper Networks Junos OS Evolved.
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