github - ghsa-6f7q-j62j-5545

ghsa-6f7q-j62j-5545

Vulnerability from github

Published

2022-05-13 01:28

Modified

2022-05-13 01:28

Severity ?

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

Details

A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2018-5733"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-01-16T20:29:00Z",
    "severity": "HIGH"
  },
  "details": "A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 -\u003e 4.1-ESV-R15, 4.2.0 -\u003e 4.2.8, 4.3.0 -\u003e 4.3.6, 4.4.0.",
  "id": "GHSA-6f7q-j62j-5545",
  "modified": "2022-05-13T01:28:58Z",
  "published": "2022-05-13T01:28:58Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-5733"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2018:0469"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2018:0483"
    },
    {
      "type": "WEB",
      "url": "https://kb.isc.org/docs/aa-01567"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3586-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3586-2"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4133"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/103188"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1040437"
    }
  ],
  "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-2018-5733

Vulnerability from cvelistv5

Published

2019-01-16 20:00

Modified

2024-09-17 04:13

Severity ?

5.9 (Medium) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

A malicious client can overflow a reference counter in ISC dhcpd

References

▼	URL	Tags
	https://kb.isc.org/docs/aa-01567	x_refsource_CONFIRM
	https://access.redhat.com/errata/RHSA-2018:0469	vendor-advisory, x_refsource_REDHAT
	https://www.debian.org/security/2018/dsa-4133	vendor-advisory, x_refsource_DEBIAN
	https://usn.ubuntu.com/3586-2/	vendor-advisory, x_refsource_UBUNTU
	https://access.redhat.com/errata/RHSA-2018:0483	vendor-advisory, x_refsource_REDHAT
	https://usn.ubuntu.com/3586-1/	vendor-advisory, x_refsource_UBUNTU
	http://www.securityfocus.com/bid/103188	vdb-entry, x_refsource_BID
	http://www.securitytracker.com/id/1040437	vdb-entry, x_refsource_SECTRACK
	https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html	mailing-list, x_refsource_MLIST

Impacted products

▼	Vendor	Product
	ISC	ISC DHCP

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T05:40:51.196Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://kb.isc.org/docs/aa-01567"
          },
          {
            "name": "RHSA-2018:0469",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:0469"
          },
          {
            "name": "DSA-4133",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2018/dsa-4133"
          },
          {
            "name": "USN-3586-2",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3586-2/"
          },
          {
            "name": "RHSA-2018:0483",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:0483"
          },
          {
            "name": "USN-3586-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3586-1/"
          },
          {
            "name": "103188",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/103188"
          },
          {
            "name": "1040437",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1040437"
          },
          {
            "name": "[debian-lts-announce] 20180322 [SECURITY] [DLA 1313-1] isc-dhcp security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "ISC DHCP",
          "vendor": "ISC",
          "versions": [
            {
              "status": "affected",
              "version": "ISC DHCP 4.1.0 -\u003e 4.1-ESV-R15, 4.2.0 -\u003e 4.2.8, 4.3.0 -\u003e 4.3.6, 4.4.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "ISC would like to thank Felix Wilhelm, Google Security Team, for reporting this vulnerability."
        }
      ],
      "datePublic": "2018-02-28T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 -\u003e 4.1-ESV-R15, 4.2.0 -\u003e 4.2.8, 4.3.0 -\u003e 4.3.6, 4.4.0."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Successful exploitation of this vulnerability may exhaust the memory available to dhcpd and/or cause it to crash, resulting in a denial of service to clients.",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-01-17T10:57:01",
        "orgId": "404fd4d2-a609-4245-b543-2c944a302a22",
        "shortName": "isc"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://kb.isc.org/docs/aa-01567"
        },
        {
          "name": "RHSA-2018:0469",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:0469"
        },
        {
          "name": "DSA-4133",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2018/dsa-4133"
        },
        {
          "name": "USN-3586-2",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3586-2/"
        },
        {
          "name": "RHSA-2018:0483",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:0483"
        },
        {
          "name": "USN-3586-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3586-1/"
        },
        {
          "name": "103188",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/103188"
        },
        {
          "name": "1040437",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1040437"
        },
        {
          "name": "[debian-lts-announce] 20180322 [SECURITY] [DLA 1313-1] isc-dhcp security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to the patched release most closely related to your current version of DHCP.\n\n    DHCP 4.1-ESV-R15-P1\n    DHCP 4.3.6-P1\n    DHCP 4.4.1"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "A malicious client can overflow a reference counter in ISC dhcpd",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security-officer@isc.org",
          "DATE_PUBLIC": "2018-02-28T00:00:00.000Z",
          "ID": "CVE-2018-5733",
          "STATE": "PUBLIC",
          "TITLE": "A malicious client can overflow a reference counter in ISC dhcpd"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "ISC DHCP",
                      "version": {
                        "version_data": [
                          {
                            "version_name": "ISC DHCP",
                            "version_value": "4.1.0 -\u003e 4.1-ESV-R15, 4.2.0 -\u003e 4.2.8, 4.3.0 -\u003e 4.3.6, 4.4.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "ISC"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "ISC would like to thank Felix Wilhelm, Google Security Team, for reporting this vulnerability."
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "lang": "eng",
              "value": "A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 -\u003e 4.1-ESV-R15, 4.2.0 -\u003e 4.2.8, 4.3.0 -\u003e 4.3.6, 4.4.0."
            }
          ]
        },
        "impact": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
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            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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                  "value": "Successful exploitation of this vulnerability may exhaust the memory available to dhcpd and/or cause it to crash, resulting in a denial of service to clients."
                }
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              "refsource": "CONFIRM",
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              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:0469"
            },
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              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2018/dsa-4133"
            },
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              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3586-2/"
            },
            {
              "name": "RHSA-2018:0483",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:0483"
            },
            {
              "name": "USN-3586-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3586-1/"
            },
            {
              "name": "103188",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/103188"
            },
            {
              "name": "1040437",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1040437"
            },
            {
              "name": "[debian-lts-announce] 20180322 [SECURITY] [DLA 1313-1] isc-dhcp security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "Upgrade to the patched release most closely related to your current version of DHCP.\n\n    DHCP 4.1-ESV-R15-P1\n    DHCP 4.3.6-P1\n    DHCP 4.4.1"
          }
        ],
        "source": {
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22",
    "assignerShortName": "isc",
    "cveId": "CVE-2018-5733",
    "datePublished": "2019-01-16T20:00:00Z",
    "dateReserved": "2018-01-17T00:00:00",
    "dateUpdated": "2024-09-17T04:13:54.977Z",
    "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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