CVE-2023-44185

Summary

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 Software

Weaknesses

• CWE-20: CWE-20 Improper Input Validation

Workarounds

There are no known workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

• https://supportportal.juniper.net/JSA73146

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://supportportal.juniper.net/JSA73146

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