dell poweredge_r640_firmware 跨界内存写

CVE编号

CVE-2021-21556

利用情况

暂无

补丁情况

N/A

披露时间

2021-06-15
漏洞描述
Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a stack-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service, arbitrary code execution, or information disclosure in UEFI or BIOS Preboot Environment.
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 dell poweredge_mx740c_firmware * Up to
(excluding)
2.11.2
运行在以下环境
系统 dell poweredge_mx840c_firmware * Up to
(excluding)
2.11.2
运行在以下环境
系统 dell poweredge_r640_firmware * Up to
(excluding)
2.11.2
运行在以下环境
系统 dell poweredge_r740xd_firmware * Up to
(excluding)
2.11.2
运行在以下环境
系统 dell poweredge_r740_firmware * Up to
(excluding)
2.11.2
运行在以下环境
系统 dell poweredge_r840_firmware * Up to
(excluding)
2.11.2
运行在以下环境
系统 dell poweredge_r940xa_firmware * Up to
(excluding)
2.11.2
运行在以下环境
系统 dell poweredge_r940_firmware * Up to
(excluding)
2.11.2
运行在以下环境
系统 dell poweredge_t640_firmware * Up to
(excluding)
2.11.2
运行在以下环境
硬件 dell poweredge_mx740c - -
运行在以下环境
硬件 dell poweredge_mx840c - -
运行在以下环境
硬件 dell poweredge_r640 - -
运行在以下环境
硬件 dell poweredge_r740 - -
运行在以下环境
硬件 dell poweredge_r740xd - -
运行在以下环境
硬件 dell poweredge_r840 - -
运行在以下环境
硬件 dell poweredge_r940 - -
运行在以下环境
硬件 dell poweredge_r940xa - -
运行在以下环境
硬件 dell poweredge_t640 - -
CVSS3评分
6.7
  • 攻击路径
    本地
  • 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-787 跨界内存写
阿里云安全产品覆盖情况