#VU98416 Resource leak in Junos OS Evolved

Vulnerability identifier: #VU98416

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Junos OS Evolved
Operating systems & Components / Operating system

Vendor: Juniper Networks, Inc.

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, 21.4R1-S1-EVO, 21.4R1-S2-EVO, 21.4R2-EVO, 21.4R2-S1-EVO, 21.4R2-S2-EVO, 21.4R3-EVO, 21.4R3-S1-EVO, 21.4R3-S2-EVO, 21.4R3-S3-EVO, 21.4R3-S4-EVO, 21.4R3-S5-EVO, 21.4R3-S6-EVO, 22.2R1-EVO, 22.2R1-S1-EVO, 22.2R2-EVO, 22.2R2-S1-EVO, 22.2R2-S2-EVO, 22.2-EVO, 22.3R1-EVO, 22.3R1-S1-EVO, 22.3R1-S2-EVO, 22.3R2-EVO, 22.3R2-S1-EVO, 22.3R2-S2-EVO, 22.4R1-EVO, 22.4R1-S1-EVO, 22.4R1-S2-EVO

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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

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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.