github - ghsa-9mq2-v988-m7mr

ghsa-9mq2-v988-m7mr

Vulnerability from github

Published

2022-09-22 00:00

Modified

2022-09-25 00:00

Severity ?

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

Details

By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2022-2795"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-09-21T11:15:00Z",
    "severity": "HIGH"
  },
  "details": "By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver\u0027s performance, effectively denying legitimate clients access to the DNS resolution service.",
  "id": "GHSA-9mq2-v988-m7mr",
  "modified": "2022-09-25T00:00:26Z",
  "published": "2022-09-22T00:00:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-2795"
    },
    {
      "type": "WEB",
      "url": "https://kb.isc.org/docs/cve-2022-2795"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202210-25"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2022/dsa-5235"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2022/09/21/3"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2022-2795

Vulnerability from cvelistv5

Published

2022-09-21 10:15

Modified

2024-09-17 03:03

Severity ?

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

Processing large delegations may severely degrade resolver performance

References

▼	URL	Tags
	https://kb.isc.org/docs/cve-2022-2795
	http://www.openwall.com/lists/oss-security/2022/09/21/3	mailing-list
	https://www.debian.org/security/2022/dsa-5235	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/	vendor-advisory
	https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html	mailing-list
	https://security.gentoo.org/glsa/202210-25	vendor-advisory

Impacted products

▼	Vendor	Product
	ISC	BIND9

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:isc:bind:9.0.0:-:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "bind",
            "vendor": "isc",
            "versions": [
              {
                "lessThanOrEqual": "9.16.32",
                "status": "affected",
                "version": "9.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:isc:bind:9.9.3:s1:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "bind",
            "vendor": "isc",
            "versions": [
              {
                "lessThan": "9.11.37",
                "status": "affected",
                "version": "9.9.3",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:isc:bind:9.16.8:s1:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "bind",
            "vendor": "isc",
            "versions": [
              {
                "lessThan": "9.16.32",
                "status": "affected",
                "version": "9.16.8",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:isc:bind:9.19.0:*:*:*:-:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "bind",
            "vendor": "isc",
            "versions": [
              {
                "lessThan": "9.19.4",
                "status": "affected",
                "version": "9.19.0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-2795",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-04-12T17:20:53.564264Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-20T19:41:53.934Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T00:46:04.433Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://kb.isc.org/docs/cve-2022-2795"
          },
          {
            "name": "[oss-security] 20220921 ISC has disclosed six vulnerabilities in BIND (CVE-2022-2795, CVE-2022-2881, CVE-2022-2906, CVE-2022-3080, CVE-2022-38177, CVE-2022-38178)",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2022/09/21/3"
          },
          {
            "name": "DSA-5235",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2022/dsa-5235"
          },
          {
            "name": "FEDORA-2022-ef038365de",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/"
          },
          {
            "name": "FEDORA-2022-8268735e06",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/"
          },
          {
            "name": "FEDORA-2022-b197d64471",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/"
          },
          {
            "name": "[debian-lts-announce] 20221005 [SECURITY] [DLA 3138-1] bind9 security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html"
          },
          {
            "name": "GLSA-202210-25",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202210-25"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "BIND9",
          "vendor": "ISC",
          "versions": [
            {
              "status": "affected",
              "version": "Open Source Branches 9.0 through 9.16 9.0.0 through versions before 9.16.33"
            },
            {
              "status": "affected",
              "version": "Open Source Branch 9.18 9.18.0 through versions before 9.18.7"
            },
            {
              "status": "affected",
              "version": "Supported Preview Branches 9.9-S through 9.11-S 9.9.3-S1 through versions up to and including 9.11.37-S1"
            },
            {
              "status": "affected",
              "version": "Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.33-S1"
            },
            {
              "status": "affected",
              "version": "Development Branch 9.19 9.19.0 through versions before 9.19.5"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "ISC would like to thank Yehuda Afek from Tel-Aviv University and Anat Bremler-Barr \u0026 Shani Stajnrod from Reichman University for bringing this vulnerability to our attention."
        }
      ],
      "datePublic": "2022-09-21T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver\u0027s performance, effectively denying legitimate clients access to the DNS resolution service."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "We are not aware of any active exploits."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "In BIND 9.0.0 -\u003e 9.16.32, 9.18.0 -\u003e 9.18.6, versions 9.9.3-S1 -\u003e 9.11.37-S1, 9.16.8-S1 -\u003e 9.16.32-S1 of the BIND Supported Preview Edition, and versions 9.19.0 -\u003e 9.19.4 of the BIND 9.19 development branch, a flaw in resolver code can cause named to spend excessive amounts of time on processing large delegations.",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-31T00:00:00",
        "orgId": "404fd4d2-a609-4245-b543-2c944a302a22",
        "shortName": "isc"
      },
      "references": [
        {
          "url": "https://kb.isc.org/docs/cve-2022-2795"
        },
        {
          "name": "[oss-security] 20220921 ISC has disclosed six vulnerabilities in BIND (CVE-2022-2795, CVE-2022-2881, CVE-2022-2906, CVE-2022-3080, CVE-2022-38177, CVE-2022-38178)",
          "tags": [
            "mailing-list"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2022/09/21/3"
        },
        {
          "name": "DSA-5235",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2022/dsa-5235"
        },
        {
          "name": "FEDORA-2022-ef038365de",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/"
        },
        {
          "name": "FEDORA-2022-8268735e06",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/"
        },
        {
          "name": "FEDORA-2022-b197d64471",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/"
        },
        {
          "name": "[debian-lts-announce] 20221005 [SECURITY] [DLA 3138-1] bind9 security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html"
        },
        {
          "name": "GLSA-202210-25",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202210-25"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to the patched release most closely related to your current version of BIND: BIND 9.16.33, BIND 9.18.7, BIND 9.19.5, or for BIND Supported Preview Edition (a special feature preview branch of BIND provided to eligible ISC support customers): BIND 9.16.33-S1."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Processing large delegations may severely degrade resolver performance",
      "workarounds": [
        {
          "lang": "en",
          "value": "No workarounds known."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22",
    "assignerShortName": "isc",
    "cveId": "CVE-2022-2795",
    "datePublished": "2022-09-21T10:15:25.796304Z",
    "dateReserved": "2022-08-12T00:00:00",
    "dateUpdated": "2024-09-17T03:03:19.543Z",
    "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.

Action not permitted