cnvd-2021-89687
Vulnerability from cnvd

Title: BusyBox代码执行漏洞(CNVD-2021-89687)

Description:

BusyBox是乌克兰Denis Vlasenko个人开发者的一套包含了多个linux命令和工具的应用程序。

Busybox hush applet 存在安全漏洞,该漏洞源于在Busybox的hush applet中shell错误地处理&&&字符串。攻击者可利用该漏洞导致拒绝服务和可能的代码执行。

Severity:

Patch Name: BusyBox代码执行漏洞(CNVD-2021-89687)的补丁

Patch Description:

BusyBox是乌克兰Denis Vlasenko个人开发者的一套包含了多个linux命令和工具的应用程序。

Busybox hush applet 存在安全漏洞,该漏洞源于在Busybox的hush applet中shell错误地处理&&&字符串。攻击者可利用该漏洞导致拒绝服务和可能的代码执行。目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。

Formal description:

目前厂商已发布升级补丁以修复漏洞,详情请关注厂商主页: https://busybox.net/

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-42377

Impacted products
Name
['BusyBox BusyBox 1.33.1', 'BusyBox BusyBox 1.33.0']
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-42377"
    }
  },
  "description": "BusyBox\u662f\u4e4c\u514b\u5170Denis Vlasenko\u4e2a\u4eba\u5f00\u53d1\u8005\u7684\u4e00\u5957\u5305\u542b\u4e86\u591a\u4e2alinux\u547d\u4ee4\u548c\u5de5\u5177\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\n\nBusybox hush applet \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728Busybox\u7684hush applet\u4e2dshell\u9519\u8bef\u5730\u5904\u7406\uff06\uff06\uff06\u5b57\u7b26\u4e32\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u548c\u53ef\u80fd\u7684\u4ee3\u7801\u6267\u884c\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://busybox.net/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-89687",
  "openTime": "2021-11-22",
  "patchDescription": "BusyBox\u662f\u4e4c\u514b\u5170Denis Vlasenko\u4e2a\u4eba\u5f00\u53d1\u8005\u7684\u4e00\u5957\u5305\u542b\u4e86\u591a\u4e2alinux\u547d\u4ee4\u548c\u5de5\u5177\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\r\n\r\nBusybox hush applet \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728Busybox\u7684hush applet\u4e2dshell\u9519\u8bef\u5730\u5904\u7406\uff06\uff06\uff06\u5b57\u7b26\u4e32\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u548c\u53ef\u80fd\u7684\u4ee3\u7801\u6267\u884c\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "BusyBox\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2021-89687\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "BusyBox BusyBox 1.33.1",
      "BusyBox BusyBox 1.33.0"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-42377",
  "serverity": "\u4e2d",
  "submitTime": "2021-11-12",
  "title": "BusyBox\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2021-89687\uff09"
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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