QID 44131

Date Published: 2024-01-22

QID 44131: Juniper Network Operating System (Junos OS and Junos OS Evolved) Denial of Service (DoS) Vulnerability (JSA73146)

Juniper Junos is the network operating system used in Juniper Networks hardware systems.

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.

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, and 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.

Successful exploitation of this vulnerability may cause a sustained Denial of Service condition.

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as High - 7.8 severity.

Solution

Vendor has released patch addressing the vulnerabilities, for more information please refer JSA73146

Vendor References

JSA73146 - supportportal.juniper.net/s/article/2023-10-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-In-a-BGP-scenario-RPD-crashes-upon-receiving-and-processing-a-specific-malformed-ISO-VPN--BGP-UPDATE-packet-CVE-2023-44185?language=en_US

CVEs related to QID 44131

CVE-2023-44185 |

Software Advisories

Advisory ID	Software	Component	Link
JSA73146			supportportal.juniper.net/s/article/2023-10-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-In-a-BGP-scenario-RPD-crashes-upon-receiving-and-processing-a-specific-malformed-ISO-VPN--BGP-UPDATE-packet-CVE-2023-44185?language=en_US

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