CVE-2016-9566 (GCVE-0-2016-9566)

Vulnerability from cvelistv5 – Published: 2016-12-15 22:00 – Updated: 2024-08-06 02:50
VLAI
Summary
base/logging.c in Nagios Core before 4.2.4 allows local users with access to an account in the nagios group to gain root privileges via a symlink attack on the log file. NOTE: this can be leveraged by remote attackers using CVE-2016-9565.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Date Public
2016-12-07 00:00
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      "references": "[{\"url\": \"http://rhn.redhat.com/errata/RHSA-2017-0211.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2017-0212.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2017-0213.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2017-0214.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2017-0258.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2017-0259.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://seclists.org/fulldisclosure/2016/Dec/58\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.securityfocus.com/bid/94919\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"http://www.securitytracker.com/id/1037487\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=1402869\", \"source\": \"cve@mitre.org\", \"tags\": [\"Issue Tracking\"]}, {\"url\": \"https://github.com/NagiosEnterprises/nagioscore/commit/c29557dec91eba2306f5fb11b8da4474ba63f8c4\", \"source\": \"cve@mitre.org\", \"tags\": [\"Issue Tracking\", \"Patch\"]}, {\"url\": \"https://legalhackers.com/advisories/Nagios-Exploit-Root-PrivEsc-CVE-2016-9566.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2018/12/msg00014.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://security.gentoo.org/glsa/201612-51\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://security.gentoo.org/glsa/201702-26\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://security.gentoo.org/glsa/201710-20\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://www.exploit-db.com/exploits/40921/\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://www.nagios.org/projects/nagios-core/history/4x/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2017-0211.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2017-0212.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2017-0213.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2017-0214.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2017-0258.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2017-0259.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://seclists.org/fulldisclosure/2016/Dec/58\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.securityfocus.com/bid/94919\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"http://www.securitytracker.com/id/1037487\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=1402869\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\"]}, {\"url\": \"https://github.com/NagiosEnterprises/nagioscore/commit/c29557dec91eba2306f5fb11b8da4474ba63f8c4\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Patch\"]}, {\"url\": \"https://legalhackers.com/advisories/Nagios-Exploit-Root-PrivEsc-CVE-2016-9566.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2018/12/msg00014.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://security.gentoo.org/glsa/201612-51\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://security.gentoo.org/glsa/201702-26\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://security.gentoo.org/glsa/201710-20\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://www.exploit-db.com/exploits/40921/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://www.nagios.org/projects/nagios-core/history/4x/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-59\"}, {\"lang\": \"en\", \"value\": \"CWE-264\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-9566\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2016-12-15T22:59:00.537\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"base/logging.c in Nagios Core before 4.2.4 allows local users with access to an account in the nagios group to gain root privileges via a symlink attack on the log file.  NOTE: this can be leveraged by remote attackers using CVE-2016-9565.\"},{\"lang\":\"es\",\"value\":\"base/logging.c en Nagios Core en versiones anteriores a 4.2.4 permite a usuarios locales con acceso a una cuenta en el grupo nagios obtener privilegios a trav\u00e9s de un ataque de symlink al archivo de inicio de sesi\u00f3n. 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    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-06-28T11:34:18+00:00",
      "cve": "CVE-2016-9566",
      "id": "CVE-2016-9566",
      "initial_release_date": "2016-12-07T00:00:00+00:00",
      "product_status:fixed": "34",
      "product_status:known_affected": "1",
      "product_status:known_not_affected": "3",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "nagios: Privilege escalation issue",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-9566.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-05-09T03:00:33Z",
      "cve": "CVE-2016-9566",
      "id": "CVE-2016-9566",
      "initial_release_date": "2023-02-15T04:55:36Z",
      "product_status:known_affected": "1",
      "product_status:recommended": "86",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-9566",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-9566.json",
      "version": "11"
    }
  }
}



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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.