cnvd - cnvd-2018-16310

cnvd-2018-16310

Vulnerability from cnvd

Title: PowerDNS Recursor拒绝服务漏洞（CNVD-2018-16310）

Description:

PowerDNS Recursor（又名pdns_recursor）是荷兰PowerDNS公司的一款域名解析服务器。

PowerDNS Recursor 4.0.8之前版本中的授权答案的解析存在拒绝服务漏洞。攻击者可借助特制的CNAME答案利用该漏洞造成拒绝服务（空指针逆向引用）。

Severity: 中

Patch Name: PowerDNS Recursor拒绝服务漏洞（CNVD-2018-16310）的补丁

Patch Description:

PowerDNS Recursor（又名pdns_recursor）是荷兰PowerDNS公司的一款域名解析服务器。

PowerDNS Recursor 4.0.8之前版本中的授权答案的解析存在拒绝服务漏洞。攻击者可借助特制的CNAME答案利用该漏洞造成拒绝服务（空指针逆向引用）。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://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html

Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-15120

Impacted products

Name
PowerDNS PowerDNS Recursor <4.0.8

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-15120",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15120"
    }
  },
  "description": "PowerDNS Recursor\uff08\u53c8\u540dpdns_recursor\uff09\u662f\u8377\u5170PowerDNS\u516c\u53f8\u7684\u4e00\u6b3e\u57df\u540d\u89e3\u6790\u670d\u52a1\u5668\u3002\r\n\r\nPowerDNS Recursor 4.0.8\u4e4b\u524d\u7248\u672c\u4e2d\u7684\u6388\u6743\u7b54\u6848\u7684\u89e3\u6790\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684CNAME\u7b54\u6848\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\uff09\u3002",
  "discovererName": "unknwon",
  "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://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-16310",
  "openTime": "2018-08-27",
  "patchDescription": "PowerDNS Recursor\uff08\u53c8\u540dpdns_recursor\uff09\u662f\u8377\u5170PowerDNS\u516c\u53f8\u7684\u4e00\u6b3e\u57df\u540d\u89e3\u6790\u670d\u52a1\u5668\u3002\r\n\r\nPowerDNS Recursor 4.0.8\u4e4b\u524d\u7248\u672c\u4e2d\u7684\u6388\u6743\u7b54\u6848\u7684\u89e3\u6790\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684CNAME\u7b54\u6848\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\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": "PowerDNS Recursor\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-16310\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "PowerDNS PowerDNS Recursor \u003c4.0.8"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-15120",
  "serverity": "\u4e2d",
  "submitTime": "2018-08-01",
  "title": "PowerDNS Recursor\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-16310\uff09"
}

CVE-2017-15120 (GCVE-0-2017-15120)

Vulnerability from cvelistv5

Published

2018-07-27 15:00

Modified

2024-08-05 19:50

Severity ?

7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-476

Summary

An issue has been found in the parsing of authoritative answers in PowerDNS Recursor before 4.0.8, leading to a NULL pointer dereference when parsing a specially crafted answer containing a CNAME of a different class than IN. An unauthenticated remote attacker could cause a denial of service.

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120	x_refsource_CONFIRM
	https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html	x_refsource_CONFIRM
	https://www.debian.org/security/2017/dsa-4063	vendor-advisory, x_refsource_DEBIAN
	http://seclists.org/oss-sec/2017/q4/382	mailing-list, x_refsource_MLIST
	http://www.securityfocus.com/bid/106335	vdb-entry, x_refsource_BID

Impacted products

	Vendor	Product	Version
	PowerDNS	pdns-recursor	Version: 4.0.8

Show details on NVD website

JSON

To clipboard

{
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T19:50:16.333Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
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            ],
            "url": "https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html"
          },
          {
            "name": "DSA-4063",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2017/dsa-4063"
          },
          {
            "name": "[oss-security] 20171211 PowerDNS Security Advisory 2017-08",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://seclists.org/oss-sec/2017/q4/382"
          },
          {
            "name": "106335",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/106335"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "pdns-recursor",
          "vendor": "PowerDNS",
          "versions": [
            {
              "status": "affected",
              "version": "4.0.8"
            }
          ]
        }
      ],
      "datePublic": "2017-12-11T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue has been found in the parsing of authoritative answers in PowerDNS Recursor before 4.0.8, leading to a NULL pointer dereference when parsing a specially crafted answer containing a CNAME of a different class than IN. An unauthenticated remote attacker could cause a denial of service."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
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              "description": "CWE-476",
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            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2018-12-28T10:57:01",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
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          "tags": [
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        },
        {
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          "tags": [
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            "x_refsource_BID"
          ],
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        }
      ],
      "x_legacyV4Record": {
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        },
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                      }
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                },
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            }
          ]
        },
        "impact": {
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              {
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        "references": {
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              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120"
            },
            {
              "name": "https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html",
              "refsource": "CONFIRM",
              "url": "https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html"
            },
            {
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              "refsource": "DEBIAN",
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            },
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  "cveMetadata": {
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    "dateReserved": "2017-10-08T00:00:00",
    "dateUpdated": "2024-08-05T19:50:16.333Z",
    "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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