juniper junos 对因果或异常条件的不恰当检查
CVE编号
CVE-2021-0287利用情况
暂无补丁情况
N/A披露时间
2021-07-16漏洞描述
In a Segment Routing ISIS (SR-ISIS)/MPLS environment, on Juniper Networks Junos OS and Junos OS Evolved devices, configured with ISIS Flexible Algorithm for Segment Routing and sensor-based statistics, a flap of a ISIS link in the network, can lead to a routing process daemon (RPD) crash and restart, causing a Denial of Service (DoS). Continued link flaps will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: 19.4 versions prior to 19.4R1-S4, 19.4R3-S2; 20.1 versions prior to 20.1R2-S1, 20.1R3; 20.2 versions prior to 20.2R2-S2, 20.2R3; 20.3 versions prior to 20.3R2; Juniper Networks Junos OS Evolved: 20.3-EVO versions prior to 20.3R2-EVO; 20.4-EVO versions prior to 20.4R2-EVO. This issue does not affect: Juniper Networks Junos OS releases prior to 19.4R1. Juniper Networks Junos OS Evolved releases prior to 19.4R1-EVO.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| https://kb.juniper.net/JSA11189 |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 系统 | juniper | junos | 19.4 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | juniper | junos | 20.1 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | juniper | junos | 20.2 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | juniper | junos | 20.3 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | juniper | junos_evolved | 20.3 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | juniper | junos_evolved | 20.4 | - | |||||
- 攻击路径 相邻
- 攻击复杂度 低
- 权限要求 无
- 影响范围 未更改
- 用户交互 无
- 可用性 高
- 保密性 无
- 完整性 无
| CWE-ID | 漏洞类型 |
| CWE-754 | 对因果或异常条件的不恰当检查 |
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