阿里云漏洞库

Junos OS是Juniper Networks硬件路由器中使用的基于FreeBSD的操作系统。它是Juniper网络路由，交换和安全设备中使用的操作系统。

Juniper Networks Junos OS on MS-MPC/MS-MIC存在拒绝服务漏洞。该漏洞源于程序未对异常数据包进行正确处理。攻击者可利用该漏洞通过发送特定数据包触发MS-MPC/MS-MIC重置，导致拒绝服务 (DoS)。

受影响系统：

Juniper Networks Junos OS on MX Series 21.1R1

Juniper Networks Junos OS on MX Series 20.4R2

Juniper Networks Junos OS on MX Series 20.4R1-S1

Juniper Networks Junos OS on MX Series 20.4R1

Juniper Networks Junos OS on MX Series 20.3R2-S1

Juniper Networks Junos OS on MX Series 20.3R2

Juniper Networks Junos OS on MX Series 20.2R3

Juniper Networks Junos OS on MX Series 20.2R2-S3

Juniper Networks Junos OS on MX Series 20.2R2-S2

Juniper Networks Junos OS on MX Series 20.1R2-S1

Juniper Networks Junos OS on MX Series 19.4R3-S2

Juniper Networks Junos OS on MX Series 19.4R2-S5

Juniper Networks Junos OS on MX Series 19.4R2-S4

Juniper Networks Junos OS on MX Series 19.3R3-S2

Juniper Networks Junos OS on MX Series 19.2R1-S6

Juniper Networks Junos OS on MX Series 19.1R3-S5

Juniper Networks Junos OS on MX Series 19.1R3-S4

Juniper Networks Junos OS on MX Series 18.4R3-S7

Juniper Networks Junos OS on MX Series 18.3R3-S4

Juniper Networks Junos OS on MX Series 18.2R3-S8

Juniper Networks Junos OS on MX Series 18.2R3-S7

Juniper Networks Junos OS on MX Series 18.2R2-S8

Juniper Networks Junos OS on MX Series 18.1R3-S12

Juniper Networks Junos OS on MX Series 17.4R3

Juniper Networks Junos OS on MX Series 17.4R2-S13

Juniper Networks Junos OS on MX Series 17.3R3-S11

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：
https://kb.juniper.net/JSA11216

参考链接
https://kb.juniper.net/JSA11216

CWE-ID	漏洞类型
CWE-754	对因果或异常条件的不恰当检查