Vulnerability identifier: #VU82300

Vulnerability risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-44196

CWE-ID: CWE-923

Exploitation vector: Local network

Exploit availability: No

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

Vendor: Juniper Networks, Inc.

Description

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

The vulnerability exists due to improper restriction of communication channel to intended endpoints in the NetworkStack agent daemon (nsagentd). A remote attacker on the local network can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Junos OS Evolved: 22.4R1-EVO - 22.4R2-S1-EVO, 22.4R2-S2-EVO, 22.3R1-EVO - 22.3R2-S1-EVO, 21.4R1-EVO - 21.4R3-S3-EVO, 21.3-EVO - 21.3R3-S4-EVO

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External links
http://supportportal.juniper.net/JSA73162

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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