juniper junos 输入验证不恰当

CVE编号

CVE-2021-31376

利用情况

暂无

补丁情况

N/A

披露时间

2021-10-20
漏洞描述
An Improper Input Validation vulnerability in Packet Forwarding Engine manager (FXPC) process of Juniper Networks Junos OS allows an attacker to cause a Denial of Service (DoS) by sending specific DHCPv6 packets to the device and crashing the FXPC service. Continued receipt and processing of this specific packet will create a sustained Denial of Service (DoS) condition. This issue affects only the following platforms in ACX Series: ACX500, ACX1000, ACX1100, ACX2100, ACX2200, ACX4000, ACX5048, ACX5096 devices. Other ACX platforms are not affected from this issue. This issue affects Juniper Networks Junos OS on ACX500, ACX1000, ACX1100, ACX2100, ACX2200, ACX4000, ACX5048, ACX5096: 18.4 version 18.4R3-S7 and later versions prior to 18.4R3-S8. This issue does not affect: Juniper Networks Junos OS 18.4 versions prior to 18.4R3-S7 on ACX500, ACX1000, ACX1100, ACX2100, ACX2200, ACX4000, ACX5048, ACX5096.
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。
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 18.4 -
运行在以下环境
硬件 juniper acx1000 - -
运行在以下环境
硬件 juniper acx1100 - -
运行在以下环境
硬件 juniper acx2100 - -
运行在以下环境
硬件 juniper acx2200 - -
运行在以下环境
硬件 juniper acx4000 - -
运行在以下环境
硬件 juniper acx500 - -
运行在以下环境
硬件 juniper acx5048 - -
运行在以下环境
硬件 juniper acx5096 - -
CVSS3评分
7.5
  • 攻击路径
    网络
  • 攻击复杂度
  • 权限要求
  • 影响范围
    未更改
  • 用户交互
  • 可用性
  • 保密性
  • 完整性
CWE-ID 漏洞类型
CWE-20 输入验证不恰当
阿里云安全产品覆盖情况