cnvd-2021-89690
Vulnerability from cnvd
Title
BusyBox缓冲区溢出漏洞
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 unlzma applet存在缓冲区溢出漏洞，该漏洞源于Busybox的unlzma applet中的越界堆读取会导致信息泄漏和在解压缩lzma压缩输入时拒绝服务。目前没有详细的漏洞细节提供。
Severity
低
Patch Name
BusyBox缓冲区溢出漏洞 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 unlzma applet存在缓冲区溢出漏洞，该漏洞源于Busybox的unlzma applet中的越界堆读取会导致信息泄漏和在解压缩lzma压缩输入时拒绝服务。目前没有详细的漏洞细节提供。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-2021-42374
Impacted products
Name
BusyBox BusyBox >=1.27.0，<=1.33.1
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-42374"
    }
  },
  "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 unlzma applet\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eBusybox\u7684unlzma applet\u4e2d\u7684\u8d8a\u754c\u5806\u8bfb\u53d6\u4f1a\u5bfc\u81f4\u4fe1\u606f\u6cc4\u6f0f\u548c\u5728\u89e3\u538b\u7f29lzma\u538b\u7f29\u8f93\u5165\u65f6\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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-2021-89690",
  "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 unlzma applet\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eBusybox\u7684unlzma applet\u4e2d\u7684\u8d8a\u754c\u5806\u8bfb\u53d6\u4f1a\u5bfc\u81f4\u4fe1\u606f\u6cc4\u6f0f\u548c\u5728\u89e3\u538b\u7f29lzma\u538b\u7f29\u8f93\u5165\u65f6\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e \u7684\u8865\u4e01",
  "products": {
    "product": "BusyBox BusyBox \u003e=1.27.0\uff0c\u003c=1.33.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-42374",
  "serverity": "\u4f4e",
  "submitTime": "2021-11-12",
  "title": "BusyBox\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}


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