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CVE-2015-7849 (GCVE-0-2015-7849)

Vulnerability from cvelistv5 – Published: 2017-08-07 20:00 – Updated: 2024-08-06 07:59
VLAI
Summary
Use-after-free vulnerability in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to possibly execute arbitrary code or cause a denial of service (crash) via crafted packets.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Date Public
2015-10-21 00:00
Show details on NVD website
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Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1033951\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1274257\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://security.gentoo.org/glsa/201607-15\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20171004-0001/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-05-13T01:45:22+00:00",
      "cve": "CVE-2015-7849",
      "id": "CVE-2015-7849",
      "initial_release_date": "2015-10-21T00:00:00+00:00",
      "product_status:known_not_affected": "12",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "ntp: trusted keys memory corruption vulnerability",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-7849.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-04T01:07:39Z",
      "cve": "CVE-2015-7849",
      "id": "CVE-2015-7849",
      "initial_release_date": "2023-02-15T05:13:12Z",
      "product_status:known_affected": "1",
      "product_status:known_not_affected": "42",
      "product_status:recommended": "118",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2015-7849",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-7849.json",
      "version": "14"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.