Riskcovery

CVE-2023-44204

Junos OS and Junos OS Evolved: The rpd will crash upon receiving a malformed BGP UPDATE message

State
Published
Severity
6.5 Medium
Published
Oct 12, 2023
Updated
Sep 17, 2024
Reserved
Sep 26, 2023

Read the record on cve.org

Description

An Improper Validation of Syntactic Correctness of Input vulnerability in Routing Protocol Daemon (rpd) Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service (DoS).

When a malformed BGP UPDATE packet is received over an established BGP session, the rpd crashes and restarts.

This issue affects both eBGP and iBGP implementations.

This issue affects:

Juniper Networks Junos OS

* 21.4 versions prior to 21.4R3-S4; * 22.1 versions prior to 22.1R3-S3; * 22.2 versions prior to 22.2R3-S2; * 22.3 versions prior to 22.3R2-S2, 22.3R3; * 22.4 versions prior to 22.4R2-S1, 22.4R3; * 23.2 versions prior to 23.2R1, 23.2R2;

Juniper Networks Junos OS Evolved

* 21.4 versions prior to 21.4R3-S5-EVO; * 22.1 versions prior to 22.1R3-S3-EVO; * 22.2 versions prior to 22.2R3-S3-EVO; * 22.3 versions prior to 22.3R2-S2-EVO; * 22.4 versions prior to 22.4R3-EVO; * 23.2 versions prior to 23.2R2-EVO;

Scores

CVSSScoreVectorSource
3.16.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hjuniper

Weaknesses

  • CWE-1286 Improper Validation of Syntactic Correctness of Input

Affected Products

ProductVersions
Junos OSJuniper Networks
  • 21.4 to before 21.4R3-S4Affected
  • 22.1 to before 22.1R3-S3Affected
  • 22.2 to before 22.2R3-S2Affected
  • 22.3 to before 22.3R2-S2, 22.3R3Affected
  • 22.4 to before 22.4R2-S1, 22.4R3Affected
  • 23.2 to before 23.2R1, 23.2R2Affected
Junos OS EvolvedJuniper Networks
  • 21.4-EVO to before 21.4R3-S5-EVOAffected
  • 22.1-EVO to before 22.1R3-S3-EVOAffected
  • 22.2-EVO to before 22.2R3-S3-EVOAffected
  • 22.3-EVO to before 22.3R2-S2-EVOAffected
  • 22.4-EVO to before 22.4R3-EVOAffected
  • 23.2-EVO to before 23.2R2-EVOAffected

References

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