cnvd-2021-32624
Vulnerability from cnvd
Title
Unbound整数溢出漏洞（CNVD-2021-32624）
Description
Unbound是一个支持验证、递归、缓存功能的DNS解析器。 Unbound 1.9.5之前版本中的sldns_str2wire_dname_buf_origin存在整数溢出漏洞。攻击者可利用该漏洞导致越界写入。
Severity
高
Patch Name
Unbound整数溢出漏洞（CNVD-2021-32624）的补丁
Patch Description
Unbound是一个支持验证、递归、缓存功能的DNS解析器。 Unbound 1.9.5之前版本中的sldns_str2wire_dname_buf_origin存在整数溢出漏洞。攻击者可利用该漏洞导致越界写入。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://lists.nlnetlabs.nl/pipermail/unbound-users/2019-December/

Reference
https://nvd.nist.gov/vuln/detail/CVE-2019-25034
Impacted products
Name
NLnet Labs Unbound <1.9.5
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-25034",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-25034"
    }
  },
  "description": "Unbound\u662f\u4e00\u4e2a\u652f\u6301\u9a8c\u8bc1\u3001\u9012\u5f52\u3001\u7f13\u5b58\u529f\u80fd\u7684DNS\u89e3\u6790\u5668\u3002\n\nUnbound 1.9.5\u4e4b\u524d\u7248\u672c\u4e2d\u7684sldns_str2wire_dname_buf_origin\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8d8a\u754c\u5199\u5165\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://lists.nlnetlabs.nl/pipermail/unbound-users/2019-December/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-32624",
  "openTime": "2021-05-06",
  "patchDescription": "Unbound\u662f\u4e00\u4e2a\u652f\u6301\u9a8c\u8bc1\u3001\u9012\u5f52\u3001\u7f13\u5b58\u529f\u80fd\u7684DNS\u89e3\u6790\u5668\u3002\r\n\r\nUnbound 1.9.5\u4e4b\u524d\u7248\u672c\u4e2d\u7684sldns_str2wire_dname_buf_origin\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8d8a\u754c\u5199\u5165\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": "Unbound\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-32624\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "NLnet Labs Unbound \u003c1.9.5"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-25034",
  "serverity": "\u9ad8",
  "submitTime": "2021-04-28",
  "title": "Unbound\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-32624\uff09"
}


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