CVE-2023-44175

Junos OS and Junos OS Evolved: Receipt of a specific genuine PIM packet causes RPD crash

Description

A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows to send specific genuine PIM packets to the device resulting in rpd to crash causing a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. Note: This issue is not noticed when all the devices in the network are Juniper devices. This issue affects Juniper Networks: Junos OS: * All versions prior to 20.4R3-S7; * 21.2 versions prior to 21.2R3-S5; * 21.3 versions prior to 21.3R3-S4; * 21.4 versions prior to 21.4R3-S4; * 22.1 versions prior to 22.1R3-S4; * 22.2 versions prior to 22.2R3; * 22.3 versions prior to 22.3R3; * 22.4 versions prior to 22.4R3. Junos OS Evolved: * All versions prior to 22.3R3-EVO; * 22.4-EVO versions prior to 22.4R3-EVO; * 23.2-EVO versions prior to 23.2R1-EVO.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: Junos OS: 20.4R3-S7, 21.2R3-S5, 21.3R3-S4, 21.4R3-S4, 22.1R3-S4, 22.2R3, 22.3R2-S1, 22.3R3, 22.4R2, 22.4R3, 23.2R1, and all subsequent releases. Junos OS Evolved: 22.3R3-EVO, 22.4R3-EVO, 23.2R1-EVO, and all subsequent releases.

Workaround:

  • There are no known workarounds for this issue.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.17%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS Evolved
Published at:
Updated at:

References

Link Tags
https://supportportal.juniper.net/JSA73141 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-44175?
CVE-2023-44175 has been scored as a medium severity vulnerability.
How to fix CVE-2023-44175?
To fix CVE-2023-44175: The following software releases have been updated to resolve this specific issue: Junos OS: 20.4R3-S7, 21.2R3-S5, 21.3R3-S4, 21.4R3-S4, 22.1R3-S4, 22.2R3, 22.3R2-S1, 22.3R3, 22.4R2, 22.4R3, 23.2R1, and all subsequent releases. Junos OS Evolved: 22.3R3-EVO, 22.4R3-EVO, 23.2R1-EVO, and all subsequent releases.
Is CVE-2023-44175 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-44175 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-44175?
CVE-2023-44175 affects Juniper Networks Junos OS, Juniper Networks Junos OS Evolved.
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