Use after free in Juniper Junos OS

Published: 2024-04-11

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2024-30378
CWE-ID	CWE-416
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	Juniper Junos OS Operating systems & Components / Operating system
Vendor	Juniper Networks, Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Use after free

EUVDB-ID: #VU88455

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 - Use After Free

Exploit availability: No

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 - 22.4R1-S2

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

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.