Denial of service in Junos OS and Junos OS Evolved rpd

Published: 2023-10-25

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2023-44175
CWE-ID	CWE-617
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Junos OS Evolved Operating systems & Components / Operating system Juniper Junos OS Operating systems & Components / Operating system
Vendor	Juniper Networks, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Reachable assertion

EUVDB-ID: #VU82384

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-44175

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

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

The vulnerability exists due to reachable assertion error in the routing protocol daemon (rpd). A remote non-authenticated attacker can send specific genuine PIM packets to the device resulting in rpd to crash causing a Denial of Service (DoS).

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Junos OS Evolved: 22.3R1-EVO - 22.4R2-S2-EVO

Juniper Junos OS: 20.4 - 22.4R1-S2

External links

http://supportportal.juniper.net/s/article/2023-10-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Receipt-of-a-specific-genuine-PIM-packet-causes-RPD-crash-CVE-2023-44175

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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