Vulnerability-Lookup

GHSA-GF8J-J7Q8-VHH5

Vulnerability from github – Published: 2022-05-24 17:02 – Updated: 2023-02-02 21:34

Details

chrony before 1.31.1 does not properly protect state variables in authenticated symmetric NTP associations, which allows remote attackers with knowledge of NTP peering to cause a denial of service (inability to synchronize) via random timestamps in crafted NTP data packets.

Severity ?

6.5 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2015-1853"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-12-09T19:15:00Z",
    "severity": "MODERATE"
  },
  "details": "chrony before 1.31.1 does not properly protect state variables in authenticated symmetric NTP associations, which allows remote attackers with knowledge of NTP peering to cause a denial of service (inability to synchronize) via random timestamps in crafted NTP data packets.",
  "id": "GHSA-gf8j-j7q8-vhh5",
  "modified": "2023-02-02T21:34:01Z",
  "published": "2022-05-24T17:02:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-1853"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2015:2241"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2015-1853"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1209572"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201507-01"
    },
    {
      "type": "WEB",
      "url": "http://chrony.tuxfamily.org/News.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2015-1853 (GCVE-0-2015-1853)

Vulnerability from cvelistv5 – Published: 2019-12-09 18:53 – Updated: 2024-08-06 04:54

Summary

Severity ?

No CVSS data available.

CWE

Other

Assigner

redhat

References

URL

Tags

	https://security.gentoo.org/glsa/201507-01	x_refsource_MISC
	http://chrony.tuxfamily.org/News.html	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	chrony	chrony	Affected: before 1.31.1

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T04:54:16.335Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201507-01"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://chrony.tuxfamily.org/News.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "chrony",
          "vendor": "chrony",
          "versions": [
            {
              "status": "affected",
              "version": "before 1.31.1"
            }
          ]
        }
      ],
      "datePublic": "2015-04-07T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "chrony before 1.31.1 does not properly protect state variables in authenticated symmetric NTP associations, which allows remote attackers with knowledge of NTP peering to cause a denial of service (inability to synchronize) via random timestamps in crafted NTP data packets."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Other",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-12-09T18:53:22",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://security.gentoo.org/glsa/201507-01"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://chrony.tuxfamily.org/News.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2015-1853",
    "datePublished": "2019-12-09T18:53:22",
    "dateReserved": "2015-02-17T00:00:00",
    "dateUpdated": "2024-08-06T04:54:16.335Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-GF8J-J7Q8-VHH5

CVE-2015-1853 (GCVE-0-2015-1853)

Tags

Sightings

Nomenclature