cnvd-2021-53999
Vulnerability from cnvd
Title
klibc输入验证错误漏洞（CNVD-2021-53999）
Description
klibc是一个应用软件。提供尽可能多地从内核空间中尽早启动的工作功能。 klibc 2.0.9之前版本存在输入验证错误漏洞，该漏洞源于malloc()函数中的添加可能导致整数溢出和随后的堆缓冲区溢出。目前没有详细的漏洞细节提供。
Severity
高
Patch Name
klibc输入验证错误漏洞（CNVD-2021-53999）的补丁
Patch Description
klibc是一个应用软件。提供尽可能多地从内核空间中尽早启动的工作功能。 klibc 2.0.9之前版本存在输入验证错误漏洞，该漏洞源于malloc()函数中的添加可能导致整数溢出和随后的堆缓冲区溢出。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

厂商已发布了漏洞修复程序，请及时关注更新： https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=a31ae8c508fc8d1bca4f57e9f9f88127572d5202

Reference
https://kernel.org/pub/linux/libs/klibc/2.0/
Impacted products
Name
klibc klibc <2.0.9
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-31873",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-31873"
    }
  },
  "description": "klibc\u662f\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u63d0\u4f9b\u5c3d\u53ef\u80fd\u591a\u5730\u4ece\u5185\u6838\u7a7a\u95f4\u4e2d\u5c3d\u65e9\u542f\u52a8\u7684\u5de5\u4f5c\u529f\u80fd\u3002\n\nklibc 2.0.9\u4e4b\u524d\u7248\u672c\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8emalloc()\u51fd\u6570\u4e2d\u7684\u6dfb\u52a0\u53ef\u80fd\u5bfc\u81f4\u6574\u6570\u6ea2\u51fa\u548c\u968f\u540e\u7684\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=a31ae8c508fc8d1bca4f57e9f9f88127572d5202",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-53999",
  "openTime": "2021-07-23",
  "patchDescription": "klibc\u662f\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u63d0\u4f9b\u5c3d\u53ef\u80fd\u591a\u5730\u4ece\u5185\u6838\u7a7a\u95f4\u4e2d\u5c3d\u65e9\u542f\u52a8\u7684\u5de5\u4f5c\u529f\u80fd\u3002\r\n\r\nklibc 2.0.9\u4e4b\u524d\u7248\u672c\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8emalloc()\u51fd\u6570\u4e2d\u7684\u6dfb\u52a0\u53ef\u80fd\u5bfc\u81f4\u6574\u6570\u6ea2\u51fa\u548c\u968f\u540e\u7684\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\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": "klibc\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-53999\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "klibc klibc \u003c2.0.9"
  },
  "referenceLink": "https://kernel.org/pub/linux/libs/klibc/2.0/",
  "serverity": "\u9ad8",
  "submitTime": "2021-06-11",
  "title": "klibc\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-53999\uff09"
}


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