CVE-2016-1548 (GCVE-0-2016-1548)

Vulnerability from cvelistv5 – Published: 2017-01-06 21:00 – Updated: 2024-08-05 23:02
VLAI?
Summary
An attacker can spoof a packet from a legitimate ntpd server with an origin timestamp that matches the peer->dst timestamp recorded for that server. After making this switch, the client in NTP 4.2.8p4 and earlier and NTPSec aa48d001683e5b791a743ec9c575aaf7d867a2b0c will reject all future legitimate server responses. It is possible to force the victim client to move time after the mode has been changed. ntpq gives no indication that the mode has been switched.
Severity ?
No CVSS data available.
CWE
  • unspecified
Assigner
References
http://www.ubuntu.com/usn/USN-3096-1 vendor-advisoryx_refsource_UBUNTU
http://www.debian.org/security/2016/dsa-3629 vendor-advisoryx_refsource_DEBIAN
http://www.talosintelligence.com/reports/TALOS-20… x_refsource_MISC
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2016:1141 vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.securityfocus.com/bid/88264 vdb-entryx_refsource_BID
https://www.kb.cert.org/vuls/id/718152 third-party-advisoryx_refsource_CERT-VN
http://rhn.redhat.com/errata/RHSA-2016-1552.html vendor-advisoryx_refsource_REDHAT
http://www.securitytracker.com/id/1035705 vdb-entryx_refsource_SECTRACK
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2017100… x_refsource_CONFIRM
http://tools.cisco.com/security/center/content/Ci… vendor-advisoryx_refsource_CISCO
https://security.FreeBSD.org/advisories/FreeBSD-S… vendor-advisoryx_refsource_FREEBSD
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-updates/2016-0… vendor-advisoryx_refsource_SUSE
https://security.gentoo.org/glsa/201607-15 vendor-advisoryx_refsource_GENTOO
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://packetstormsecurity.com/files/136864/Slack… x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://www.talosintelligence.com/vulnerability_r… x_refsource_MISC
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://www.debian.org/security/2016/dsa-3629 vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/archive/1/538233/100… mailing-listx_refsource_BUGTRAQ
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.securityfocus.com/archive/1/archive/1/… mailing-listx_refsource_BUGTRAQ
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
https://cert-portal.siemens.com/productcert/pdf/s… x_refsource_CONFIRM
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11 x_refsource_MISC
https://cert-portal.siemens.com/productcert/pdf/s… x_refsource_CONFIRM
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11 x_refsource_MISC
https://www.arista.com/en/support/advisories-noti… x_refsource_MISC
Impacted products
Vendor Product Version
NTP Project NTP Affected: 4.2.8p4
Create a notification for this product.
    NTPsec Project NTPSec Affected: aa48d001683e5b791a743ec9c575aaf7d867a2b0c
Create a notification for this product.
Show details on NVD website

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  "cveMetadata": {
    "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
    "assignerShortName": "certcc",
    "cveId": "CVE-2016-1548",
    "datePublished": "2017-01-06T21:00:00",
    "dateReserved": "2016-01-07T00:00:00",
    "dateUpdated": "2024-08-05T23:02:11.744Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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  "vulnerability-lookup:meta": {
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      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:*\", \"matchCriteriaId\": \"99C71C00-7222-483B-AEFB-159337BD3C92\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"An attacker can spoof a packet from a legitimate ntpd server with an origin timestamp that matches the peer-\u003edst timestamp recorded for that server. After making this switch, the client in NTP 4.2.8p4 and earlier and NTPSec aa48d001683e5b791a743ec9c575aaf7d867a2b0c will reject all future legitimate server responses. It is possible to force the victim client to move time after the mode has been changed. ntpq gives no indication that the mode has been switched.\"}, {\"lang\": \"es\", \"value\": \"Un atacante puede suplantar un paquete de un servidor ntpd leg\\u00edtimo con una marca de tiempo de origen que coincida con la marca de tiempo peer-\u003edst registrada para ese servidor. Despu\\u00e9s de hacer este cambio, el cliente en NTP 4.2.8p4 y versiones anteriores y NTPSec aa48d001683e5b791a743ec9c575aaf7d867a2b0c rechazar\\u00e1n todas las futuras respuestas leg\\u00edtimas del servidor. Es posible forzar al cliente v\\u00edctima a mover el tiempo despu\\u00e9s de que el modo haya sido cambiado. ntpq no indica que el modo ha sido cambiado.\"}]",
      "id": "CVE-2016-1548",
      "lastModified": "2024-11-21T02:46:37.280",
      "metrics": "{\"cvssMetricV30\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L\", \"baseScore\": 7.2, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"LOW\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 2.7}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:P/A:P\", \"baseScore\": 6.4, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 4.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2017-01-06T21:59:00.353",
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      "sourceIdentifier": "cret@cert.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-19\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-1548\",\"sourceIdentifier\":\"cret@cert.org\",\"published\":\"2017-01-06T21:59:00.353\",\"lastModified\":\"2025-04-20T01:37:25.860\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An attacker can spoof a packet from a legitimate ntpd server with an origin timestamp that matches the peer-\u003edst timestamp recorded for that server. After making this switch, the client in NTP 4.2.8p4 and earlier and NTPSec aa48d001683e5b791a743ec9c575aaf7d867a2b0c will reject all future legitimate server responses. It is possible to force the victim client to move time after the mode has been changed. ntpq gives no indication that the mode has been switched.\"},{\"lang\":\"es\",\"value\":\"Un atacante puede suplantar un paquete de un servidor ntpd leg\u00edtimo con una marca de tiempo de origen que coincida con la marca de tiempo peer-\u003edst registrada para ese servidor. Despu\u00e9s de hacer este cambio, el cliente en NTP 4.2.8p4 y versiones anteriores y NTPSec aa48d001683e5b791a743ec9c575aaf7d867a2b0c rechazar\u00e1n todas las futuras respuestas leg\u00edtimas del servidor. Es posible forzar al cliente v\u00edctima a mover el tiempo despu\u00e9s de que el modo haya sido cambiado. ntpq no indica que el modo ha sido cambiado.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L\",\"baseScore\":7.2,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":2.7}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:P/A:P\",\"baseScore\":6.4,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-19\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:*\",\"matchCriteriaId\":\"99C71C00-7222-483B-AEFB-159337BD3C92\"}]}]}],\"references\":[{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183647.html\",\"source\":\"cret@cert.org\"},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184669.html\",\"source\":\"cret@cert.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html\",\"source\":\"cret@cert.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html\",\"source\":\"cret@cert.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html\",\"source\":\"cret@cert.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html\",\"source\":\"cret@cert.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html\",\"source\":\"cret@cert.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html\",\"source\":\"cret@cert.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html\",\"source\":\"cret@cert.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html\",\"source\":\"cret@cert.org\"},{\"url\":\"http://packetstormsecurity.com/files/136864/Slackware-Security-Advisory-ntp-Updates.html\",\"source\":\"cret@cert.org\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2016-1552.html\",\"source\":\"cret@cert.org\"},{\"url\":\"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpd\",\"source\":\"cret@cert.org\"},{\"url\":\"http://www.debian.org/security/2016/dsa-3629\",\"source\":\"cret@cert.org\"},{\"url\":\"http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html\",\"source\":\"cret@cert.org\"},{\"url\":\"http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html\",\"source\":\"cret@cert.org\"},{\"url\":\"http://www.securityfocus.com/archive/1/538233/100/0/threaded\",\"source\":\"cret@cert.org\"},{\"url\":\"http://www.securityfocus.com/archive/1/archive/1/538233/100/0/threaded\",\"source\":\"cret@cert.org\"},{\"url\":\"http://www.securityfocus.com/bid/88264\",\"source\":\"cret@cert.org\"},{\"url\":\"http://www.securitytracker.com/id/1035705\",\"source\":\"cret@cert.org\"},{\"url\":\"http://www.talosintelligence.com/reports/TALOS-2016-0082/\",\"source\":\"cret@cert.org\",\"tags\":[\"Exploit\",\"Third Party 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Party 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  }
}


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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.


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Detection rules are retrieved from Rulezet.

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