Null pointer dereference in Junos OS Evolved - CVE-2024-30403
Published: April 11, 2024
Vulnerability identifier: #VU88453
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-2024-30403
CWE-ID: CWE-476
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 null pointer dereference error in the Packet Forwarding Engine (PFE). A remote non-authenticated attacker can cause a Denial of Service (DoS).
When Layer 2 traffic is sent through a logical interface, MAC learning happens.
If during this process, the interface flaps, an Advanced Forwarding Toolkit manager (evo-aftmand-bt) core is observed.
Affected software
Junos OS Evolved
How to mitigate CVE-2024-30403
Install updates from vendor's website.
Junos OS Evolved - addressed in versions 23.2R1-S1-EVO, 23.2R2-EVO, 23.4R1-EVO