Junos OS and Junos OS Evolved: An rpd crash occurs when a specific L2VPN command is run

A Reachable Assertion vulnerability in Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows a locally-based, low-privileged attacker to cause a Denial of Service (DoS). On all Junos OS and Junos OS Evolved, when a specific L2VPN command is run, RPD will crash and restart. Continued execution of this specific command will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS All versions prior to 19.3R3-S10; 20.1 versions prior to 20.1R3-S4; 20.2 versions prior to 20.2R3-S6; 20.3 versions prior to 20.3R3-S6; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S3; 21.3 versions prior to 21.3R3-S2; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R3; 22.2 versions prior to 22.2R2; 22.3 versions prior to 22.3R2; Juniper Networks Junos OS Evolved All versions prior to 20.4R3-S7-EVO; 21.1 versions prior to 21.1R3-S3-EVO; 21.2 versions prior to 21.2R3-S5-EVO; 21.3 versions prior to 21.3R3-S4-EVO; 21.4 versions prior to 21.4R3-EVO; 22.1 versions prior to 22.1R3-EVO; 22.2 versions prior to 22.2R2-EVO; 22.3 versions prior to 22.3R2-EVO;

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

可达断言

Juniper Networks Junos OS Evolved安全漏洞

Juniper Networks Junos OS Evolved是美国瞻博网络（Juniper Networks）公司的Junos OS 的升级版系统。 Junos OS和Junos OS Evolved存在安全漏洞，该漏洞源于路由协议守护程序(RPD)存在可到达断言漏洞，攻击者可利用该漏洞造成拒绝服务（DoS）。受影响的产品和版本：Juniper Networks Junos OS： 19.3R3-S7之前的所有版本；19.4R3-S10之前的19.4版本；20.1R3-S4之前的20.1版本；20.

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