Denial of service in Junos OS Evolved evo-pfemand

1) Resource leak

EUVDB-ID: #VU98416

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-402 - Transmission of Private Resources into a New Sphere ('Resource Leak')

Exploit availability: No

Description

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

The vulnerability exist die to a resource leak in the PFE management daemon (evo-pfemand) when specific SNMP GET operations or specific low-priviledged CLI commands are executed. A remote authenticated user can cause an FPC crash and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Junos OS Evolved: 21.4R1-EVO - 22.4R1-S2-EVO

CPE2.3

• cpe:2.3:o:juniper_networks:junos_os_evolved:21.4R3-S6-EVO:*:*:*:*:*:*:*
• cpe:2.3:o:juniper_networks:junos_os_evolved:22.2R2-S2-EVO:*:*:*:*:*:*:*
• cpe:2.3:o:juniper_networks:junos_os_evolved:22.3R2-S2-EVO:*:*:*:*:*:*:*
• cpe:2.3:o:juniper_networks:junos_os_evolved:22.4R1-S2-EVO:*:*:*:*:*:*:*

External links

https://supportportal.juniper.net/s/article/2024-10-Security-Bulletin-Junos-OS-Evolved-Specific-low-privileged-CLI-commands-and-SNMP-GET-requests-can-trigger-a-resource-leak

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.