cnvd - cnvd-2020-34454

cnvd-2020-34454

Vulnerability from cnvd

Title: ISC BIND资源管理错误漏洞

Description:

ISC BIND是美国ISC公司的一套实现了DNS协议的开源软件。

ISC BIND中存在安全漏洞。远程攻击者可利用该漏洞造成拒绝服务。

Severity: 中

Patch Name: ISC BIND资源管理错误漏洞的补丁

Patch Description:

ISC BIND是美国ISC公司的一套实现了DNS协议的开源软件。

ISC BIND中存在安全漏洞。远程攻击者可利用该漏洞造成拒绝服务。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://kb.isc.org/docs/cve-2020-8616

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-8616

Impacted products

Name
['ISC BIND Supported Preview Edition >=9.9.3-S1，<=9.11.18-S1', 'ISC BIND >=9.0.0，<=9.11.18', 'ISC BIND >=9.12.0，<=9.12.4-P2', 'ISC BIND >=9.14.0，<=9.14.11', 'ISC BIND >=9.16.0，<=9.16.2', 'ISC BIND >=9.17.0，<=9.17.1', 'ISC BIND 9.13', 'ISC BIND 9.15']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8616"
    }
  },
  "description": "ISC BIND\u662f\u7f8e\u56fdISC\u516c\u53f8\u7684\u4e00\u5957\u5b9e\u73b0\u4e86DNS\u534f\u8bae\u7684\u5f00\u6e90\u8f6f\u4ef6\u3002\n\nISC BIND\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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://kb.isc.org/docs/cve-2020-8616",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-34454",
  "openTime": "2020-06-23",
  "patchDescription": "ISC BIND\u662f\u7f8e\u56fdISC\u516c\u53f8\u7684\u4e00\u5957\u5b9e\u73b0\u4e86DNS\u534f\u8bae\u7684\u5f00\u6e90\u8f6f\u4ef6\u3002\r\n\r\nISC BIND\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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": "ISC BIND\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "ISC BIND Supported Preview Edition \u003e=9.9.3-S1\uff0c\u003c=9.11.18-S1",
      "ISC BIND \u003e=9.0.0\uff0c\u003c=9.11.18",
      "ISC BIND \u003e=9.12.0\uff0c\u003c=9.12.4-P2",
      "ISC BIND \u003e=9.14.0\uff0c\u003c=9.14.11",
      "ISC BIND \u003e=9.16.0\uff0c\u003c=9.16.2",
      "ISC BIND \u003e=9.17.0\uff0c\u003c=9.17.1",
      "ISC BIND 9.13",
      "ISC BIND 9.15"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-8616",
  "serverity": "\u4e2d",
  "submitTime": "2020-05-20",
  "title": "ISC BIND\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-8616 (GCVE-0-2020-8616)

Vulnerability from cvelistv5

Published

2020-05-19 14:05

Modified

2024-09-16 23:55

Severity ?

8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CWE

In order for a server performing recursion to locate records in the DNS graph it must be capable of processing referrals, such as those received when it attempts to query an authoritative server for a record which is delegated elsewhere. In its original design BIND (as well as other nameservers) does not sufficiently limit the number of fetches which may be performed while processing a referral response. BIND 9.0.0 -> 9.11.18, 9.12.0 -> 9.12.4-P2, 9.14.0 -> 9.14.11, 9.16.0 -> 9.16.2, and releases 9.17.0 -> 9.17.1 of the 9.17 experimental development branch. All releases in the obsolete 9.13 and 9.15 development branches. All releases of BIND Supported Preview Edition from 9.9.3-S1 -> 9.11.18-S1.

Summary

A malicious actor who intentionally exploits this lack of effective limitation on the number of fetches performed when processing referrals can, through the use of specially crafted referrals, cause a recursing server to issue a very large number of fetches in an attempt to process the referral. This has at least two potential effects: The performance of the recursing server can potentially be degraded by the additional work required to perform these fetches, and The attacker can exploit this behavior to use the recursing server as a reflector in a reflection attack with a high amplification factor.

References

▼	URL	Tags
	https://kb.isc.org/docs/cve-2020-8616	x_refsource_CONFIRM
	http://www.nxnsattack.com	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2020/05/19/4	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2020/dsa-4689	vendor-advisory, x_refsource_DEBIAN
	https://security.netapp.com/advisory/ntap-20200522-0002/	x_refsource_CONFIRM
	https://usn.ubuntu.com/4365-2/	vendor-advisory, x_refsource_UBUNTU
	https://www.synology.com/security/advisory/Synology_SA_20_12	x_refsource_CONFIRM
	https://usn.ubuntu.com/4365-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.debian.org/debian-lts-announce/2020/05/msg00031.html	mailing-list, x_refsource_MLIST
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WOGCJS2XQ3SQNF4W6GLZ73LWZJ6ZZWZI/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JKJXVBOKZ36ER3EUCR7VRB7WGHIIMPNJ/	vendor-advisory, x_refsource_FEDORA
	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html	vendor-advisory, x_refsource_SUSE

Impacted products

	Vendor	Product	Version
	ISC	BIND9	Version: 9.0.0 -> 9.11.18, 9.12.0 -> 9.12.4-P2, 9.14.0 -> 9.14.11, 9.16.0 -> 9.16.2, and releases 9.17.0 -> 9.17.1 of the 9.17 experimental development branch. All releases in the obsolete 9.13 and 9.15 development branches. All releases of BIND Supported Preview Edition from 9.9.3-S1 -> 9.11.18-S1

Show details on NVD website

JSON

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        "title": "CVE Program Container"
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          "tags": [
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      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to the patched release most closely related to your current version of BIND:\n\n    BIND 9.11.19\n    BIND 9.14.12\n    BIND 9.16.3\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n    BIND 9.11.19-S1"
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            },
            {
              "name": "DSA-4689",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2020/dsa-4689"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20200522-0002/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20200522-0002/"
            },
            {
              "name": "USN-4365-2",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4365-2/"
            },
            {
              "name": "https://www.synology.com/security/advisory/Synology_SA_20_12",
              "refsource": "CONFIRM",
              "url": "https://www.synology.com/security/advisory/Synology_SA_20_12"
            },
            {
              "name": "USN-4365-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4365-1/"
            },
            {
              "name": "[debian-lts-announce] 20200530 [SECURITY] [DLA 2227-1] bind9 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00031.html"
            },
            {
              "name": "FEDORA-2020-2d89cbcfd9",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WOGCJS2XQ3SQNF4W6GLZ73LWZJ6ZZWZI/"
            },
            {
              "name": "FEDORA-2020-f9dcd4e9d5",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JKJXVBOKZ36ER3EUCR7VRB7WGHIIMPNJ/"
            },
            {
              "name": "openSUSE-SU-2020:1699",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html"
            },
            {
              "name": "openSUSE-SU-2020:1701",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "Upgrade to the patched release most closely related to your current version of BIND:\n\n    BIND 9.11.19\n    BIND 9.14.12\n    BIND 9.16.3\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n    BIND 9.11.19-S1"
          }
        ],
        "source": {
          "discovery": "EXTERNAL"
        },
        "work_around": [
          {
            "lang": "en",
            "value": "None"
          }
        ]
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22",
    "assignerShortName": "isc",
    "cveId": "CVE-2020-8616",
    "datePublished": "2020-05-19T14:05:15.798991Z",
    "dateReserved": "2020-02-05T00:00:00",
    "dateUpdated": "2024-09-16T23:55:28.601Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.
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.

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