VYPR
Unrated severityNVD Advisory· Published Apr 22, 2021· Updated Sep 17, 2024

Junos OS and Junos OS Evolved: An attacker sending a specific crafted BGP update message will crash RPD

CVE-2021-0250

Description

In segment routing traffic engineering (SRTE) environments where the BGP Monitoring Protocol (BMP) feature is enable, a vulnerability in the Routing Protocol Daemon (RPD) process of Juniper Networks Junos OS allows an attacker to send a specific crafted BGP update message causing the RPD service to core, creating a Denial of Service (DoS) Condition. Continued receipt and processing of this update message will create a sustained Denial of Service (DoS) condition. This issue affects IPv4 and IPv6 environments. This issue affects: Juniper Networks Junos OS 17.4 versions 17.4R1 and above prior to 17.4R2-S6, 17.4R3; 18.1 versions prior to 18.1R3-S7; 18.2 versions prior to 18.2R2-S6, 18.2R3-S3; 18.3 versions prior to 18.3R1-S7, 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R1-S5, 18.4R2-S3, 18.4R3; 19.1 versions prior to 19.1R1-S4, 19.1R2; 19.2 versions prior to 19.2R1-S3, 19.2R2, This issue does not affect Junos OS releases prior to 17.4R1. This issue affects: Juniper Networks Junos OS Evolved 19.2-EVO versions prior to 19.2R2-EVO.

Affected products

3
  • <19.2R2-EVO+ 1 more
    • (no CPE)range: <19.2R2-EVO
    • (no CPE)range: 19.2-EVO
  • Range: <17.4R2-S6, >=17.4R1 & <17.4R3; <18.1R3-S7; <18.2R2-S6 & <18.2R3-S3; <18.3R1-S7 & <18.3R2-S3 & <18.3R3; <18.4R1-S5 & <18.4R2-S3 & <18.4R3; <19.1R1-S4 & <19.1R2; <19.2R1-S3 & <19.2R2

Patches

Vulnerability mechanics

References

1

News mentions

0

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