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Vulnerability · Published Oct 12, 2023 · Assigned by juniper

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

High 7.5

In plain English

A high-severity improper input validation in Junos OS from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 50.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Juniper Networks Junos OS 0 – before 20.4R3-S621.1 – before 21.1R3-S521.2 – before 21.2R3-S421.3 – before 21.3R3-S321.4 – before 21.4R3-S322.1 – before 22.1R2-S2, 22.1R322.2 – before 22.2R2-S1, 22.2R322.3 – before 22.3R1-S2, 22.3R2
Juniper Networks Junos OS Evolved 0 – before 20.4R3-S6-EVO21.1R1-EVO – before 21.1*-EVO21.2-EVO – before 21.2R3-S4-EVO21.3-EVO – before 21.3R3-S3-EVO21.4-EVO – before 21.4R3-S3-EVO22.1-EVO – before 22.1R3-EVO22.2-EVO – before 22.2R2-S1-EVO, 22.2R3-EVO22.3-EVO – before 22.3R1-S2-EVO, 22.3R2-EVO

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References