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Junos CVE-2023-44185

HIGH
Improper Input Validation (CWE-20)
2023-10-13 sirt@juniper.net
Juniper Denial Of Service Junos Junos Os Evolved
7.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
CVE Published
Oct 13, 2023 - 00:15 nvd
HIGH 7.5

DescriptionNVD

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.

AnalysisAI

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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. 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 include: Juniper Junos, Juniper Junos Os Evolved. Version information: prior to 20.4.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2023-44185 vulnerability details – vuln.today
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