Missing Synchronization in Junos OS - CVE-2024-30387
Published: April 12, 2024
Vulnerability identifier: #VU88489
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-30387
CWE-ID: CWE-820
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a missing synchronization error in the Packet Forwarding Engine (PFE). A remote authenticated attacker on the local network can cause a Denial-of-Service (DoS).
If an interface flaps while the system gathers statistics on that interface, two processes simultaneously access a shared resource which leads to a PFE crash and restart.
Affected software
Junos OS
How to mitigate CVE-2024-30387
Install updates from vendor's website.
Junos OS - addressed in versions 20.4R3-S9, 21.2R3-S5, 21.3R3-S5, 21.4R3-S4, 22.1R3-S2, 22.2R3-S2, 22.3R2-S2, 22.3R3, 22.4R2, 23.2R1