CVE-2023-44185: Junos OS and Junos OS Evolved: In an BGP scenario RPD crashes upon receiving and processing a specific malformed ISO VPN BGP UPDATE packet

Published Oct 12, 2023
·
Updated

An Improper Input Validation vulnerability in the routing protocol daemon (rpd) of Juniper Networks allows an attacker to cause a Denial of Service (DoS )to the device upon receiving and processing a specific malformed ISO VPN BGP UPDATE packet.

Continued receipt of this packet will cause a sustained Denial of Service condition.

This issue affects:

Juniper Networks Junos OS: All versions prior to 20.4R3-S6; 21.1 versions prior to 21.1R3-S5; 21.2 versions prior to 21.2R3-S4; 21.3 versions prior to 21.3R3-S3; 21.4 versions prior to 21.4R3-S3; 22.1 versions prior to 22.1R2-S2, 22.1R3; 22.2 versions prior to 22.2R2-S1, 22.2R3; 22.3 versions prior to 22.3R1-S2, 22.3R2.

Juniper Networks Junos OS Evolved:

All versions prior to 20.4R3-S6-EVO; 21.1-EVO version 21.1R1-EVO and later versions prior to 21.2R3-S4-EVO; 21.3-EVO versions prior to 21.3R3-S3-EVO; 21.4-EVO versions prior to 21.4R3-S3-EVO; 22.1-EVO versions prior to 22.1R3-EVO; 22.2-EVO versions prior to 22.2R2-S1-EVO, 22.2R3-EVO; 22.3-EVO versions prior to 22.3R1-S2-EVO, 22.3R2-EVO.

Affected Software

129 affected components
Juniper JUNOS<20.4
Juniper JUNOS=20.4
Juniper JUNOS=20.4-r1
Juniper JUNOS=20.4-r1-s1
Juniper JUNOS=20.4-r2
Juniper JUNOS=20.4-r2-s1
Juniper JUNOS=20.4-r2-s2
Juniper JUNOS=20.4-r3
Juniper JUNOS=20.4-r3-s1
Juniper JUNOS=20.4-r3-s2
Juniper JUNOS=20.4-r3-s3
Juniper JUNOS=20.4-r3-s4
Juniper JUNOS=20.4-r3-s5
Juniper JUNOS=21.1
Juniper JUNOS=21.1-r1
Juniper JUNOS=21.1-r1-s1
Juniper JUNOS=21.1-r2
Juniper JUNOS=21.1-r2-s1
Juniper JUNOS=21.1-r2-s2
Juniper JUNOS=21.1-r3
Juniper JUNOS=21.1-r3-s1
Juniper JUNOS=21.1-r3-s2
Juniper JUNOS=21.1-r3-s3
Juniper JUNOS=21.1-r3-s4
Juniper JUNOS=21.2
Juniper JUNOS=21.2-r1
Juniper JUNOS=21.2-r1-s1
Juniper JUNOS=21.2-r1-s2
Juniper JUNOS=21.2-r2
Juniper JUNOS=21.2-r2-s1
Juniper JUNOS=21.2-r2-s2
Juniper JUNOS=21.2-r3
Juniper JUNOS=21.2-r3-s1
Juniper JUNOS=21.2-r3-s2
Juniper JUNOS=21.2-r3-s3
Juniper JUNOS=21.3
Juniper JUNOS=21.3-r1
Juniper JUNOS=21.3-r1-s1
Juniper JUNOS=21.3-r1-s2
Juniper JUNOS=21.3-r2
Juniper JUNOS=21.3-r2-s1
Juniper JUNOS=21.3-r2-s2
Juniper JUNOS=21.3-r3
Juniper JUNOS=21.3-r3-s1
Juniper JUNOS=21.3-r3-s2
Juniper JUNOS=21.4
Juniper JUNOS=21.4-r1
Juniper JUNOS=21.4-r1-s1
Juniper JUNOS=21.4-r1-s2
Juniper JUNOS=21.4-r2
Juniper JUNOS=21.4-r2-s1
Juniper JUNOS=21.4-r2-s2
Juniper JUNOS=21.4-r3
Juniper JUNOS=21.4-r3-s1
Juniper JUNOS=21.4-r3-s2
Juniper JUNOS=22.1-r1
Juniper JUNOS=22.1-r1-s1
Juniper JUNOS=22.1-r1-s2
Juniper JUNOS=22.1-r2
Juniper JUNOS=22.1-r2-s1
Juniper JUNOS=22.2-r1
Juniper JUNOS=22.2-r1-s1
Juniper JUNOS=22.2-r1-s2
Juniper JUNOS=22.2-r2
Juniper JUNOS=22.3-r1
Juniper JUNOS=22.3-r1-s1
Juniper Junos OS Evolved<20.4
Juniper Junos OS Evolved=20.4
Juniper Junos OS Evolved=20.4-r1
Juniper Junos OS Evolved=20.4-r1-s1
Juniper Junos OS Evolved=20.4-r1-s2
Juniper Junos OS Evolved=20.4-r2
Juniper Junos OS Evolved=20.4-r2-s1
Juniper Junos OS Evolved=20.4-r2-s2
Juniper Junos OS Evolved=20.4-r2-s3
Juniper Junos OS Evolved=20.4-r3
Juniper Junos OS Evolved=20.4-r3-s1
Juniper Junos OS Evolved=20.4-r3-s2
Juniper Junos OS Evolved=20.4-r3-s3
Juniper Junos OS Evolved=20.4-r3-s4
Juniper Junos OS Evolved=20.4-r3-s5
Juniper Junos OS Evolved=21.1
Juniper Junos OS Evolved=21.1-r1
Juniper Junos OS Evolved=21.1-r1-s1
Juniper Junos OS Evolved=21.1-r2
Juniper Junos OS Evolved=21.1-r3
Juniper Junos OS Evolved=21.1-r3-s1
Juniper Junos OS Evolved=21.1-r3-s2
Juniper Junos OS Evolved=21.1-r3-s3
Juniper Junos OS Evolved=21.2
Juniper Junos OS Evolved=21.2-r1
Juniper Junos OS Evolved=21.2-r1-s1
Juniper Junos OS Evolved=21.2-r1-s2
Juniper Junos OS Evolved=21.2-r2
Juniper Junos OS Evolved=21.2-r2-s1
Juniper Junos OS Evolved=21.2-r2-s2
Juniper Junos OS Evolved=21.2-r3
Juniper Junos OS Evolved=21.2-r3-s1
Juniper Junos OS Evolved=21.2-r3-s2
Juniper Junos OS Evolved=21.2-r3-s3
Juniper Junos OS Evolved=21.3
Juniper Junos OS Evolved=21.3-r1
Juniper Junos OS Evolved=21.3-r1-s1
Juniper Junos OS Evolved=21.3-r2
Juniper Junos OS Evolved=21.3-r2-s1
Juniper Junos OS Evolved=21.3-r2-s2
Juniper Junos OS Evolved=21.3-r3
Juniper Junos OS Evolved=21.3-r3-s1
Juniper Junos OS Evolved=21.3-r3-s2
Juniper Junos OS Evolved=21.4
Juniper Junos OS Evolved=21.4-r1
Juniper Junos OS Evolved=21.4-r1-s1
Juniper Junos OS Evolved=21.4-r1-s2
Juniper Junos OS Evolved=21.4-r2
Juniper Junos OS Evolved=21.4-r2-s1
Juniper Junos OS Evolved=21.4-r2-s2
Juniper Junos OS Evolved=21.4-r3
Juniper Junos OS Evolved=21.4-r3-s1
Juniper Junos OS Evolved=21.4-r3-s2
Juniper Junos OS Evolved=22.1-r1
Juniper Junos OS Evolved=22.1-r1-s1
Juniper Junos OS Evolved=22.1-r1-s2
Juniper Junos OS Evolved=22.1-r2
Juniper Junos OS Evolved=22.1-r2-s1
Juniper Junos OS Evolved=22.2-r1
Juniper Junos OS Evolved=22.2-r1-s1
Juniper Junos OS Evolved=22.2-r2
Juniper Junos OS Evolved=22.3-r1
Juniper Junos OS Evolved=22.3-r1-s1

Remediation

Information

The following software releases have been updated to resolve this specific issue: Junos OS: 20.4R3-S6, 21.1R3-S5, 21.2R3-S4, 21.3R3-S3, 21.4R3-S3, 22.1R2-S2, 22.1R3, 22.2R2-S1, 22.2R3, 22.3R1-S2, 22.3R2, 22.4R1, and all subsequent releases. Junos OS Evolved: 20.4R3-S6-EVO, 21.2R3-S4-EVO, 21.3R3-S3-EVO, 21.4R3-S3-EVO, 22.1R3-EVO, 22.2R2-S1-EVO, 22.2R3-EVO, 22.3R1-S2-EVO, 22.3R2-EVO, 22.4R1-EVO, and all subsequent releases.

Event History

Oct 12, 2023
CVE Published
via MITRE·11:02 PM
Data Sourced
via MITRE·11:02 PM
RemedyDescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2023-44185?

CVE-2023-44185 is a critical vulnerability that can lead to a Denial of Service (DoS) condition on affected devices.

2

How do I fix CVE-2023-44185?

To mitigate CVE-2023-44185, it is recommended to update the affected Juniper Networks Junos software to the latest version provided by the vendor.

3

Which versions of Junos are affected by CVE-2023-44185?

CVE-2023-44185 affects Junos versions up to and including 20.4 and several 21.x and 22.x releases.

4

What type of vulnerability is CVE-2023-44185?

CVE-2023-44185 is classified as an Improper Input Validation vulnerability within the routing protocol daemon (rpd).

5

What impact does CVE-2023-44185 have on devices?

The impact of CVE-2023-44185 is that it allows attackers to disrupt the normal operation of the device, leading to a Denial of Service.

Company

Resources

Contact

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