Vulnerability identifier: #VU88455

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-30378

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

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

Vendor: Juniper Networks, Inc.

Description

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

The vulnerability exists due to use after free error in command processing. A local authenticated user can cause the broadband edge service manager daemon (bbe-smgd) to crash upon execution of specific CLI commands, creating a Denial of Service (DoS) condition.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 20.4R1 - 20.4R3-S4, 21.1R1 - 21.1R3-S3, 21.2R1 - 21.2R3-S2, 21.3R1 - 21.3R3-S4, 21.4R1 - 21.4R3-S4, 22.1R1 - 22.1R3-S4, 22.1R3-S5, 22.2R1 - 22.2R3-S2, 22.2R3-S3, 22.3R1 - 22.3R2-S2, 22.4R1-S1 - 22.4R1-S2

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External links
http://supportportal.juniper.net/s/article/2024-04-Security-Bulletin-Junos-OS-MX-Series-bbe-smgd-process-crash-upon-execution-of-specific-CLI-commands-CVE-2024-30378

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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