cve-2016-1548
Vulnerability from cvelistv5
Published
2017-01-06 21:00
Modified
2024-08-05 23:02
Severity ?
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.
References
cret@cert.orghttp://lists.fedoraproject.org/pipermail/package-announce/2016-May/183647.html
cret@cert.orghttp://lists.fedoraproject.org/pipermail/package-announce/2016-May/184669.html
cret@cert.orghttp://lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html
cret@cert.orghttp://lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html
cret@cert.orghttp://lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html
cret@cert.orghttp://lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html
cret@cert.orghttp://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html
cret@cert.orghttp://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
cret@cert.orghttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
cret@cert.orghttp://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
cret@cert.orghttp://packetstormsecurity.com/files/136864/Slackware-Security-Advisory-ntp-Updates.html
cret@cert.orghttp://rhn.redhat.com/errata/RHSA-2016-1552.html
cret@cert.orghttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpd
cret@cert.orghttp://www.debian.org/security/2016/dsa-3629
cret@cert.orghttp://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
cret@cert.orghttp://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
cret@cert.orghttp://www.securityfocus.com/archive/1/538233/100/0/threaded
cret@cert.orghttp://www.securityfocus.com/archive/1/archive/1/538233/100/0/threaded
cret@cert.orghttp://www.securityfocus.com/bid/88264
cret@cert.orghttp://www.securitytracker.com/id/1035705
cret@cert.orghttp://www.talosintelligence.com/reports/TALOS-2016-0082/Exploit, Third Party Advisory
cret@cert.orghttp://www.ubuntu.com/usn/USN-3096-1
cret@cert.orghttps://access.redhat.com/errata/RHSA-2016:1141
cret@cert.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
cret@cert.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
cret@cert.orghttps://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc
cret@cert.orghttps://security.gentoo.org/glsa/201607-15
cret@cert.orghttps://security.netapp.com/advisory/ntap-20171004-0002/
cret@cert.orghttps://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
cret@cert.orghttps://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
cret@cert.orghttps://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19
cret@cert.orghttps://www.debian.org/security/2016/dsa-3629
cret@cert.orghttps://www.kb.cert.org/vuls/id/718152
cret@cert.orghttps://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0082
Impacted products
NTP ProjectNTP
NTPsec ProjectNTPSec
Show details on NVD website

To clipboard 

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              "lang": "eng",
              "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "unspecified"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "USN-3096-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-3096-1"
            },
            {
              "name": "DSA-3629",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2016/dsa-3629"
            },
            {
              "name": "http://www.talosintelligence.com/reports/TALOS-2016-0082/",
              "refsource": "MISC",
              "url": "http://www.talosintelligence.com/reports/TALOS-2016-0082/"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"
            },
            {
              "name": "RHSA-2016:1141",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2016:1141"
            },
            {
              "name": "SUSE-SU-2016:1912",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html"
            },
            {
              "name": "88264",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/88264"
            },
            {
              "name": "VU#718152",
              "refsource": "CERT-VN",
              "url": "https://www.kb.cert.org/vuls/id/718152"
            },
            {
              "name": "RHSA-2016:1552",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2016-1552.html"
            },
            {
              "name": "1035705",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1035705"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20171004-0002/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20171004-0002/"
            },
            {
              "name": "20160428 Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products: April 2016",
              "refsource": "CISCO",
              "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpd"
            },
            {
              "name": "FreeBSD-SA-16:16",
              "refsource": "FREEBSD",
              "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc"
            },
            {
              "name": "SUSE-SU-2016:2094",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html"
            },
            {
              "name": "openSUSE-SU-2016:1423",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html"
            },
            {
              "name": "GLSA-201607-15",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/201607-15"
            },
            {
              "name": "openSUSE-SU-2016:1329",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html"
            },
            {
              "name": "http://packetstormsecurity.com/files/136864/Slackware-Security-Advisory-ntp-Updates.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/136864/Slackware-Security-Advisory-ntp-Updates.html"
            },
            {
              "name": "SUSE-SU-2016:1471",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html"
            },
            {
              "name": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0082",
              "refsource": "MISC",
              "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0082"
            },
            {
              "name": "FEDORA-2016-5b2eb0bf9c",
              "refsource": "FEDORA",
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184669.html"
            },
            {
              "name": "SUSE-SU-2016:1291",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html"
            },
            {
              "name": "DSA-3629",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2016/dsa-3629"
            },
            {
              "name": "20160429 [slackware-security] ntp (SSA:2016-120-01)",
              "refsource": "BUGTRAQ",
              "url": "http://www.securityfocus.com/archive/1/538233/100/0/threaded"
            },
            {
              "name": "SUSE-SU-2016:1568",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html"
            },
            {
              "name": "20160429 [slackware-security] ntp (SSA:2016-120-01)",
              "refsource": "BUGTRAQ",
              "url": "http://www.securityfocus.com/archive/1/archive/1/538233/100/0/threaded"
            },
            {
              "name": "SUSE-SU-2016:1278",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html"
            },
            {
              "name": "FEDORA-2016-ed8c6c0426",
              "refsource": "FEDORA",
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183647.html"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf",
              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf"
            },
            {
              "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11",
              "refsource": "MISC",
              "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf",
              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf"
            },
            {
              "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11",
              "refsource": "MISC",
              "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11"
            },
            {
              "name": "https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19",
              "refsource": "MISC",
              "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19"
            }
          ]
        }
      }
    }
  },
  "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",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-1548\",\"sourceIdentifier\":\"cret@cert.org\",\"published\":\"2017-01-06T21:59:00.353\",\"lastModified\":\"2021-11-17T22:15:47.620\",\"vulnStatus\":\"Modified\",\"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\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\",\"baseScore\":7.2,\"baseSeverity\":\"HIGH\"},\"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\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":6.4},\"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 Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-3096-1\",\"source\":\"cret@cert.org\"},{\"url\":\"https://access.redhat.com/errata/RHSA-2016:1141\",\"source\":\"cret@cert.org\"},{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf\",\"source\":\"cret@cert.org\"},{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf\",\"source\":\"cret@cert.org\"},{\"url\":\"https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc\",\"source\":\"cret@cert.org\"},{\"url\":\"https://security.gentoo.org/glsa/201607-15\",\"source\":\"cret@cert.org\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20171004-0002/\",\"source\":\"cret@cert.org\"},{\"url\":\"https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11\",\"source\":\"cret@cert.org\"},{\"url\":\"https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11\",\"source\":\"cret@cert.org\"},{\"url\":\"https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19\",\"source\":\"cret@cert.org\"},{\"url\":\"https://www.debian.org/security/2016/dsa-3629\",\"source\":\"cret@cert.org\"},{\"url\":\"https://www.kb.cert.org/vuls/id/718152\",\"source\":\"cret@cert.org\"},{\"url\":\"https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0082\",\"source\":\"cret@cert.org\"}]}}"
  }
}


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