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 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description

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.






Remediation

Vendor Solution

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.


Vendor Workaround

There are no known workarounds for this issue.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-48544 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.
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
juniper
Published
Updated
Sep 19, 2024, 1:09 PM
Reserved
Sep 26, 2023, 7:30 PM
Status
Modified
Published
Oct 13, 2023, 12:15 AM
Modified
Jun 17, 2026, 6:27 AM