Improper input validation in Junos OS Evolved - CVE-2024-39513

 

Improper input validation in Junos OS Evolved - CVE-2024-39513

Published: July 15, 2024


Vulnerability identifier: #VU94351
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-39513
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Junos OS Evolved

Detailed vulnerability description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation error in the Packet Forwarding Engine (PFE). A local user can cause a Denial of Service (DoS).

When a specific "clear" command is run, the Advanced Forwarding Toolkit manager (evo-aftmand-bt or evo-aftmand-zx) crashes and restarts.

The crash impacts all traffic going through the FPCs, causing a DoS.


How to mitigate CVE-2024-39513

Install updates from vendor's website.

Sources