cnvd-2021-36205
Vulnerability from cnvd
Title
uClibc-ng输入验证错误漏洞
Description
uclibc-ng是一个应用系统。用于Linux的小型C库。 uClibc-ng 1.0.37 之前版本存在输入验证错误漏洞，该漏洞源于容易受到malloc-simple函数的整数包围。这种不正确的内存分配可能导致任意的内存分配，从而导致意外的行为，如崩溃或远程代码注入执行。 目前没有详细的漏洞细节提供。
Severity
高
Patch Name
uClibc-ng输入验证错误漏洞的补丁
Patch Description
uclibc-ng是一个应用系统。用于Linux的小型C库。 uClibc-ng 1.0.37 之前版本存在输入验证错误漏洞，该漏洞源于容易受到malloc-simple函数的整数包围。这种不正确的内存分配可能导致任意的内存分配，从而导致意外的行为，如崩溃或远程代码注入执行。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，补丁获取链接： https://us-cert.cisa.gov/ics/advisories/icsa-21-119-04

Reference
https://www.auscert.org.au/bulletins/ESB-2021.1489
Impacted products
Name
Uclibc-ng Uclibc-ng <1.0.37
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-27419"
    }
  },
  "description": "uclibc-ng\u662f\u4e00\u4e2a\u5e94\u7528\u7cfb\u7edf\u3002\u7528\u4e8eLinux\u7684\u5c0f\u578bC\u5e93\u3002\n\nuClibc-ng 1.0.37 \u4e4b\u524d\u7248\u672c\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bb9\u6613\u53d7\u5230malloc-simple\u51fd\u6570\u7684\u6574\u6570\u5305\u56f4\u3002\u8fd9\u79cd\u4e0d\u6b63\u786e\u7684\u5185\u5b58\u5206\u914d\u53ef\u80fd\u5bfc\u81f4\u4efb\u610f\u7684\u5185\u5b58\u5206\u914d\uff0c\u4ece\u800c\u5bfc\u81f4\u610f\u5916\u7684\u884c\u4e3a\uff0c\u5982\u5d29\u6e83\u6216\u8fdc\u7a0b\u4ee3\u7801\u6ce8\u5165\u6267\u884c\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\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://us-cert.cisa.gov/ics/advisories/icsa-21-119-04",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-36205",
  "openTime": "2021-05-21",
  "patchDescription": "uclibc-ng\u662f\u4e00\u4e2a\u5e94\u7528\u7cfb\u7edf\u3002\u7528\u4e8eLinux\u7684\u5c0f\u578bC\u5e93\u3002\r\n\r\nuClibc-ng 1.0.37 \u4e4b\u524d\u7248\u672c\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bb9\u6613\u53d7\u5230malloc-simple\u51fd\u6570\u7684\u6574\u6570\u5305\u56f4\u3002\u8fd9\u79cd\u4e0d\u6b63\u786e\u7684\u5185\u5b58\u5206\u914d\u53ef\u80fd\u5bfc\u81f4\u4efb\u610f\u7684\u5185\u5b58\u5206\u914d\uff0c\u4ece\u800c\u5bfc\u81f4\u610f\u5916\u7684\u884c\u4e3a\uff0c\u5982\u5d29\u6e83\u6216\u8fdc\u7a0b\u4ee3\u7801\u6ce8\u5165\u6267\u884c\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": "uClibc-ng\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Uclibc-ng Uclibc-ng \u003c1.0.37"
  },
  "referenceLink": "https://www.auscert.org.au/bulletins/ESB-2021.1489",
  "serverity": "\u9ad8",
  "submitTime": "2021-04-30",
  "title": "uClibc-ng\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}


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