Improper isolation or compartmentalization in Junos OS - CVE-2024-30388

 

Improper isolation or compartmentalization in Junos OS - CVE-2024-30388

Published: April 11, 2024


Vulnerability identifier: #VU88456
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-2024-30388
CWE-ID: CWE-653
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper isolation or compartmentalization error in the Packet Forwarding Engine (pfe). A remote non-authenticated attacker can cause a Denial of Service (DoS).

If a specific malformed LACP packet is received by a QFX5000 Series, or an EX4100 Series , EX4400 Series or EX4650 Series device, an LACP flap will occur resulting in traffic loss.


Affected software

Junos OS

How to mitigate CVE-2024-30388

Install updates from vendor's website.

Junos OS - addressed in versions 20.4R3-S8, 21.2R3-S6, 21.3R3-S5, 21.4R3-S4, 22.1R3-S3, 22.2R3-S1, 22.3R2-S2, 22.3R3, 22.4R2-S1, 22.4R3, 23.2R1

External References

Related Security Bulletins