#VU82388 Buffer overflow in Junos OS Evolved and Juniper Junos OS - CVE-2023-44184

Vulnerability identifier: #VU82388

Vulnerability risk: Low

CVSSv4.0: 4.3 [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-2023-44184

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

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

Vendor: Juniper Networks, Inc.

Description

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

The vulnerability exists due to a boundary error in the management daemon (mgd) process. A local user can execute a specific command via NETCONF and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Junos OS Evolved: 21.4R1-EVO - 21.4R3-S3-EVO, 22.1-EVO - 22.1R3-S1-EVO, 22.2-EVO - 22.2R2-S2-EVO, 22.3R1-EVO - 22.3R2-S2-EVO, 22.4R1-EVO - 22.4R1-S2-EVO

Juniper Junos OS: 20.4R1-S1 - 20.4, 21.2R1-S1 - 21.2R3, 21.3R1-S1 - 21.3R3, 21.4R1-S1 - 21.4R3, 22.1R1-S1 - 22.1R3, 22.2R1-S1 - 22.2R2, 22.3R1-S1 - 22.3R2, 22.4R1-S1 - 22.4R1

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External links
https://supportportal.juniper.net/JSA73147

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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.