FKIE_CVE-2015-7855

Vulnerability from fkie_nvd - Published: 2017-08-07 20:29 - Updated: 2026-06-17 00:33
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (assertion failure) via a 6 or mode 7 packet containing a long data value.
References
cve@mitre.orghttp://support.ntp.org/bin/view/Main/NtpBug2922Patch, Vendor Advisory
cve@mitre.orghttp://www.debian.org/security/2015/dsa-3388Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/77283Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.securitytracker.com/id/1033951Third Party Advisory, VDB Entry
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=1274264Issue Tracking, Third Party Advisory, VDB Entry
cve@mitre.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdfThird Party Advisory
cve@mitre.orghttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839Third Party Advisory, VDB Entry
cve@mitre.orghttps://security.gentoo.org/glsa/201607-15Third Party Advisory, VDB Entry
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20171004-0001/Third Party Advisory
cve@mitre.orghttps://us-cert.cisa.gov/ics/advisories/icsa-21-103-11Third Party Advisory, US Government Resource
cve@mitre.orghttps://www.exploit-db.com/exploits/40840/Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://support.ntp.org/bin/view/Main/NtpBug2922Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2015/dsa-3388Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/77283Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1033951Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1274264Issue Tracking, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdfThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201607-15Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20171004-0001/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/40840/Exploit, Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
ntp ntp *
ntp ntp *
ntp ntp 4.2.8
ntp ntp 4.2.8
ntp ntp 4.2.8
ntp ntp 4.2.8
ntp ntp 4.2.8
ntp ntp 4.2.8
ntp ntp 4.2.8
ntp ntp 4.2.8
ntp ntp 4.2.8
ntp ntp 4.2.8
ntp ntp 4.2.8
ntp ntp 4.2.8
ntp ntp 4.2.8
ntp ntp 4.2.8
ntp ntp 4.2.8
ntp ntp 4.2.8
ntp ntp 4.2.8
debian debian_linux 7.0
debian debian_linux 8.0
debian debian_linux 9.0
netapp oncommand_balance -
netapp oncommand_performance_manager -
netapp oncommand_unified_manager -
netapp clustered_data_ontap -
netapp data_ontap -
siemens tim_4r-ie_firmware *
siemens tim_4r-ie -
siemens tim_4r-ie_dnp3_firmware *
siemens tim_4r-ie_dnp3 -
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (assertion failure) via a 6 or mode 7 packet containing a long data value."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n decodenetnum en ntpd en NTP 4.2.x en versiones anteriores a 4.2.8p4, y 4.3.x en versiones anteriores a 4.3.77 permite que atacantes remotos provoquen una denegaci\u00f3n de servicio (fallo de aserci\u00f3n) empleando un paquete en modo 6 o modo 7 que contiene un valor de datos largo."
    }
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  "id": "CVE-2015-7855",
  "lastModified": "2026-06-17T00:33:16.320",
  "metrics": {
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        "baseSeverity": "MEDIUM",
        "cvssData": {
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          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "version": "2.0"
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        "exploitabilityScore": 8.0,
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        "obtainAllPrivilege": false,
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          "baseScore": 6.5,
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          "confidentialityImpact": "NONE",
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  "published": "2017-08-07T20:29:00.950",
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}



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