cnvd-2021-88216
Vulnerability from cnvd
Title
BusyBox资源管理错误漏洞（CNVD-2021-88216）
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的awk applet存在资源管理错误漏洞，攻击者可利用该漏洞在getvar_i函数中处理特制的awk模式时执行代码。
Severity
中
Patch Name
BusyBox资源管理错误漏洞（CNVD-2021-88216）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的awk applet存在资源管理错误漏洞，攻击者可利用该漏洞在getvar_i函数中处理特制的awk模式时执行代码。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，补丁获取链接： https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/

Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-42378
Impacted products
Name
BusyBox BusyBox >=1.16.0，<=1.33.1
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-42378"
    }
  },
  "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\u7684awk applet\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728getvar_i\u51fd\u6570\u4e2d\u5904\u7406\u7279\u5236\u7684awk\u6a21\u5f0f\u65f6\u6267\u884c\u4ee3\u7801\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-88216",
  "openTime": "2021-11-17",
  "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\u7684awk applet\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728getvar_i\u51fd\u6570\u4e2d\u5904\u7406\u7279\u5236\u7684awk\u6a21\u5f0f\u65f6\u6267\u884c\u4ee3\u7801\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\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-88216\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "BusyBox BusyBox \u003e=1.16.0\uff0c\u003c=1.33.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-42378",
  "serverity": "\u4e2d",
  "submitTime": "2021-11-12",
  "title": "BusyBox\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-88216\uff09"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.