CVE-2023-44185

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductJuniper Junos
PublishedOct 13, 2023
First seenOct 13, 2023

How to fix

Update
  • juniper junos20.4 or later
  • juniper junos_os_evolved20.4 or later

Affected products

ProductAffected versionsFixed in
juniper junosv < 20.4, 20.4, 21.1, 21.2, 21.3, 21.4, 22.1, 22.2, 22.320.4
juniper junos_os_evolvedv < 20.4, 20.4, 21.1, 21.2, 21.3, 21.4, 22.1, 22.2, 22.320.4

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