cnvd-2020-46785
Vulnerability from cnvd
Title
Dovecot拒绝服务漏洞（ CNVD-2020-46785）
Description
Dovecot是一款开源的基于类Linux/UNIX系统的IMAP和POP3邮件服务器。 Dovecot 2.3.11.3之前版本中存在安全漏洞。远程攻击者可借助特制的e-mail消息利用该漏洞造成拒绝服务（资源消耗）。
Severity
中
Patch Name
Dovecot拒绝服务漏洞（ CNVD-2020-46785）的补丁
Patch Description
Dovecot是一款开源的基于类Linux/UNIX系统的IMAP和POP3邮件服务器。 Dovecot 2.3.11.3之前版本中存在安全漏洞。远程攻击者可借助特制的e-mail消息利用该漏洞造成拒绝服务（资源消耗）。 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://dovecot.org/pipermail/dovecot-news/2020-August/000441.html

Reference
https://www.debian.org/security/2020/dsa-4745; https://security-tracker.debian.org/tracker/CVE-2020-12100; https://security-tracker.debian.org/tracker/CVE-2020-12673; https://security-tracker.debian.org/tracker/CVE-2020-12674
Impacted products
Name
Dovecot Dovecot < 2.3.11.3
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-12100",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-12100"
    }
  },
  "description": "Dovecot\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u57fa\u4e8e\u7c7bLinux/UNIX\u7cfb\u7edf\u7684IMAP\u548cPOP3\u90ae\u4ef6\u670d\u52a1\u5668\u3002\n\nDovecot 2.3.11.3\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684e-mail\u6d88\u606f\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d44\u6e90\u6d88\u8017\uff09\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://dovecot.org/pipermail/dovecot-news/2020-August/000441.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-46785",
  "openTime": "2020-08-18",
  "patchDescription": "Dovecot\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u57fa\u4e8e\u7c7bLinux/UNIX\u7cfb\u7edf\u7684IMAP\u548cPOP3\u90ae\u4ef6\u670d\u52a1\u5668\u3002\r\n\r\nDovecot 2.3.11.3\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684e-mail\u6d88\u606f\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d44\u6e90\u6d88\u8017\uff09\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": "Dovecot\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08 CNVD-2020-46785\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Dovecot Dovecot \u003c 2.3.11.3"
  },
  "referenceLink": "https://www.debian.org/security/2020/dsa-4745; https://security-tracker.debian.org/tracker/CVE-2020-12100; https://security-tracker.debian.org/tracker/CVE-2020-12673; https://security-tracker.debian.org/tracker/CVE-2020-12674",
  "serverity": "\u4e2d",
  "submitTime": "2020-08-17",
  "title": "Dovecot\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08 CNVD-2020-46785\uff09"
}


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