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Unrated severityNVD Advisory· Published Oct 12, 2023· Updated Sep 19, 2024

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

CVE-2023-44185

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

3
  • Juniper Networks/Junos OS Evolvedllm-fuzzy2 versions
    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+ 1 more
    • (no CPE)range: 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
    • (no CPE)range: 0
  • Juniper Networks/Junosllm-fuzzy
    Range: 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

Patches

Vulnerability mechanics

References

1

News mentions

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