cnvd-2021-16431
Vulnerability from cnvd
Title
Dnsmasq安全特征问题漏洞
Description
Dnsmasq是一款使用C语言编写的轻量级DNS转发和DHCP、TFTP服务器。 Dnsmasq 2.83版本之前存在安全漏洞，攻击者可以利用该漏洞执行DNS缓存中毒攻击。
Severity
中
Patch Name
Dnsmasq安全特征问题漏洞的补丁
Patch Description
Dnsmasq是一款使用C语言编写的轻量级DNS转发和DHCP、TFTP服务器。 Dnsmasq 2.83版本之前存在安全漏洞，攻击者可以利用该漏洞执行DNS缓存中毒攻击。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://www.jsof-tech.com/disclosures/dnspooq/

Reference
https://www.auscert.org.au/bulletins/ESB-2021.0231/
Impacted products
Name
Dnsmasq Dnsmasq 2.83
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-25684",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-25684"
    }
  },
  "description": "Dnsmasq\u662f\u4e00\u6b3e\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u8f7b\u91cf\u7ea7DNS\u8f6c\u53d1\u548cDHCP\u3001TFTP\u670d\u52a1\u5668\u3002\n\nDnsmasq 2.83\u7248\u672c\u4e4b\u524d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884cDNS\u7f13\u5b58\u4e2d\u6bd2\u653b\u51fb\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://www.jsof-tech.com/disclosures/dnspooq/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-16431",
  "openTime": "2021-03-11",
  "patchDescription": "Dnsmasq\u662f\u4e00\u6b3e\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u8f7b\u91cf\u7ea7DNS\u8f6c\u53d1\u548cDHCP\u3001TFTP\u670d\u52a1\u5668\u3002\r\n\r\nDnsmasq 2.83\u7248\u672c\u4e4b\u524d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884cDNS\u7f13\u5b58\u4e2d\u6bd2\u653b\u51fb\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": "Dnsmasq\u5b89\u5168\u7279\u5f81\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dnsmasq Dnsmasq 2.83"
  },
  "referenceLink": "https://www.auscert.org.au/bulletins/ESB-2021.0231/",
  "serverity": "\u4e2d",
  "submitTime": "2021-01-22",
  "title": "Dnsmasq\u5b89\u5168\u7279\u5f81\u95ee\u9898\u6f0f\u6d1e"
}


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.