github - ghsa-qwhm-h7v3-mrjx

GHSA-QWHM-H7V3-MRJX

Vulnerability from github – Published: 2023-05-25 17:01 – Updated: 2023-05-30 09:05

Summary

Improper handling of NTS cookie length that could crash the ntpd-rs server

Details

Impact

ntpd-rs does not validate the length of NTS cookies in received NTP packets to the server. An attacker can crash the server by sending a specially crafted NTP packet containing a cookie shorter than what the server expects. The server also crashes when it is not configured to handle NTS packets.

ntpd-rs running purely as an ntp client is not affected.

Patches

The issue was caused by improper slice indexing. The indexing operations were replaced by safer alternatives that do not crash the ntpd-rs server process but instead properly handle the error condition. A patch was released in version 0.3.3

Workarounds

ntpd-rs running purely as an ntp client is not affected. By default, ntpd-rs packages are not configured to run as a server.

For machines where serving the time is required, there is no known workaround. Users are recommended to upgrade ntpd-rs as soon as possible.

References

https://github.com/pendulum-project/ntpd-rs/pull/752

We would like to thank @mlichvar for identifying this issue

Severity ?

7.5 (High)


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

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "ntpd"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.3.0"
            },
            {
              "fixed": "0.3.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-33192"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-130"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-05-25T17:01:12Z",
    "nvd_published_at": "2023-05-27T04:15:25Z",
    "severity": "HIGH"
  },
  "details": "### Impact\nntpd-rs does not validate the length of NTS cookies in received NTP packets to the server. An attacker can crash the server by sending a specially crafted NTP packet containing a cookie shorter than what the server expects. The server also crashes when it is not configured to handle NTS packets.\n\nntpd-rs running purely as an ntp client is not affected.\n\n### Patches\nThe issue was caused by improper slice indexing. The indexing operations were replaced by safer alternatives that do not crash the ntpd-rs server process but instead properly handle the error condition. A patch was released in version 0.3.3\n\n### Workarounds\nntpd-rs running purely as an ntp client is not affected. By default, ntpd-rs packages are not configured to run as a server.\n\nFor machines where serving the time is required, there is no known workaround. Users are recommended to upgrade ntpd-rs as soon as possible.\n\n### References\nhttps://github.com/pendulum-project/ntpd-rs/pull/752\n\nWe would like to thank @mlichvar for identifying this issue\n",
  "id": "GHSA-qwhm-h7v3-mrjx",
  "modified": "2023-05-30T09:05:58Z",
  "published": "2023-05-25T17:01:12Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/pendulum-project/ntpd-rs/security/advisories/GHSA-qwhm-h7v3-mrjx"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-33192"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pendulum-project/ntpd-rs/pull/752"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pendulum-project/ntpd-rs"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pendulum-project/ntpd-rs/releases/tag/v0.3.3"
    }
  ],
  "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"
    }
  ],
  "summary": "Improper handling of NTS cookie length that could crash the ntpd-rs server"
}

CVE-2023-33192 (GCVE-0-2023-33192)

Vulnerability from cvelistv5 – Published: 2023-05-27 03:53 – Updated: 2025-01-14 18:20

Title

Improper handling of NTS cookie length that could crash the ntpd-rs server

Summary

ntpd-rs is an NTP implementation written in Rust. ntpd-rs does not validate the length of NTS cookies in received NTP packets to the server. An attacker can crash the server by sending a specially crafted NTP packet containing a cookie shorter than what the server expects. The server also crashes when it is not configured to handle NTS packets. The issue was caused by improper slice indexing. The indexing operations were replaced by safer alternatives that do not crash the ntpd-rs server process but instead properly handle the error condition. A patch was released in version 0.3.3.

Severity ?

7.5 (High)


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

CWE

CWE-130 - Improper Handling of Length Parameter Inconsistency

Assigner

GitHub_M

References

URL

Tags

	https://github.com/pendulum-project/ntpd-rs/secur…	x_refsource_CONFIRM
	https://github.com/pendulum-project/ntpd-rs/pull/752	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	pendulum-project	ntpd-rs	Affected: >= 0.3.0, < 0.3.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T15:39:35.717Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/pendulum-project/ntpd-rs/security/advisories/GHSA-qwhm-h7v3-mrjx",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/pendulum-project/ntpd-rs/security/advisories/GHSA-qwhm-h7v3-mrjx"
          },
          {
            "name": "https://github.com/pendulum-project/ntpd-rs/pull/752",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/pendulum-project/ntpd-rs/pull/752"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-33192",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-01-14T18:20:35.734868Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-01-14T18:20:44.928Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "ntpd-rs",
          "vendor": "pendulum-project",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 0.3.0, \u003c 0.3.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "ntpd-rs is an NTP implementation written in Rust. ntpd-rs does not validate the length of NTS cookies in received NTP packets to the server. An attacker can crash the server by sending a specially crafted NTP packet containing a cookie shorter than what the server expects. The server also crashes when it is not configured to handle NTS packets. The issue was caused by improper slice indexing. The indexing operations were replaced by safer alternatives that do not crash the ntpd-rs server process but instead properly handle the error condition. A patch was released in version 0.3.3."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "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:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-130",
              "description": "CWE-130: Improper Handling of Length Parameter Inconsistency",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-05-27T03:53:34.506Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/pendulum-project/ntpd-rs/security/advisories/GHSA-qwhm-h7v3-mrjx",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/pendulum-project/ntpd-rs/security/advisories/GHSA-qwhm-h7v3-mrjx"
        },
        {
          "name": "https://github.com/pendulum-project/ntpd-rs/pull/752",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pendulum-project/ntpd-rs/pull/752"
        }
      ],
      "source": {
        "advisory": "GHSA-qwhm-h7v3-mrjx",
        "discovery": "UNKNOWN"
      },
      "title": "Improper handling of NTS cookie length that could crash the ntpd-rs server"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-33192",
    "datePublished": "2023-05-27T03:53:34.506Z",
    "dateReserved": "2023-05-17T22:25:50.699Z",
    "dateUpdated": "2025-01-14T18:20:44.928Z",
    "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-QWHM-H7V3-MRJX

Impact

Patches

Workarounds

References

CVE-2023-33192 (GCVE-0-2023-33192)

Tags

Sightings

Nomenclature