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    CVE-2015-8139

    ntpq in NTP before 4.2.8p7 allows remote attackers to obtain origin timestamps and then impersonate peers via unspecified vectors.

    Published:Jan 20, 2016
    Last Modified:Apr 20, 2025
    EPS:Jan 30, 2017
    EPSS Score:0.25673
    CVSS Score:5.3

    Affected Products

    Vendor
    Ntp
    Product
    Ntp

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-19 Embedding Scripts within Scripts
    CAPEC-21 Exploitation of Trusted Identifiers
    CAPEC-22 Exploiting Trust in Client
    CAPEC-441 Malicious Logic Insertion
    CAPEC-459 Creating a Rogue Certification Authority Certificate
    CAPEC-461 Web Services API Signature Forgery Leveraging Hash Function Extension Weakness
    CAPEC-473 Signature Spoof
    CAPEC-476 Signature Spoofing by Misrepresentation
    CAPEC-478 Modification of Windows Service Configuration
    CAPEC-479 Malicious Root Certificate
    CAPEC-502 Intent Spoof
    CAPEC-503 WebView Exposure
    CAPEC-536 Data Injected During Configuration
    CAPEC-546 Incomplete Data Deletion in a Multi-Tenant Environment
    CAPEC-550 Install New Service
    CAPEC-551 Modify Existing Service
    CAPEC-552 Install Rootkit
    CAPEC-556 Replace File Extension Handlers
    CAPEC-558 Replace Trusted Executable
    CAPEC-562 Modify Shared File
    CAPEC-563 Add Malicious File to Shared Webroot
    CAPEC-564 Run Software at Logon
    CAPEC-578 Disable Security Software
    CAPEC-59 Session Credential Falsification through Prediction
    CAPEC-60 Reusing Session IDs (aka Session Replay)
    CAPEC-667 Bluetooth Impersonation AttackS (BIAS)
    CAPEC-94 Adversary in the Middle (AiTM)

    Related CVEs

    CVE-2023-26554 (CVSS 5.6) — mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a '\0' character. An advers…
    CVE-2023-26555 (CVSS 6.4) — praecis_parse in ntpd/refclock_palisade.c in NTP 4.2.8p15 has an out-of-bounds write. Any attack method would …
    CVE-2023-26552 (CVSS 5.6) — mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a decimal point. An adversa…
    CVE-2023-26553 (CVSS 5.6) — mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when copying the trailing number. An ad…
    CVE-2023-26551 (CVSS 5.6) — mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write in the cp<cpdec while loop. An adversar…
    CVE-2020-15025 (CVSS 4.4) — ntpd in ntp 4.2.8 before 4.2.8p15 and 4.3.x before 4.3.101 allows remote attackers to cause a denial of servic…
    CVE-2018-8956 (CVSS 5.3) — ntpd in ntp 4.2.8p10, 4.2.8p11, 4.2.8p12 and 4.2.8p13 allow remote attackers to prevent a broadcast client fro…
    CVE-2020-11868 (CVSS 7.5) — ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows an off-path attacker to block unauthenticated sync…
    CVE-2020-13817 (CVSS 7.4) — ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows remote attackers to cause a denial of service (dae…
    CVE-2019-11331 (CVSS 8.1) — Network Time Protocol (NTP), as specified in RFC 5905, uses port 123 even for modes where a fixed port number …

    References

    http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html
    http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html
    http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
    http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html
    http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
    http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
    http://support.ntp.org/bin/view/Main/NtpBug2946
    http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd
    http://www.securityfocus.com/bid/82105
    http://www.securitytracker.com/id/1034782
    https://bto.bluecoat.com/security-advisory/sa113
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3EYJQHJZ2KTVQ7ICEFHXTLZ36MRASWX/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORAMN3Q7TVJ54MBYF75XCJOE3DP7LYHT/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNWGCQLW2VY72NIUYMJOCAKJKTXHDUK2/
    https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc
    https://security.gentoo.org/glsa/201607-15
    https://security.netapp.com/advisory/ntap-20200204-0003/
    https://www.kb.cert.org/vuls/id/718152
    http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html
    http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html
    http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
    http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html
    http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
    http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
    http://support.ntp.org/bin/view/Main/NtpBug2946
    http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd
    http://www.securityfocus.com/bid/82105
    http://www.securitytracker.com/id/1034782
    https://bto.bluecoat.com/security-advisory/sa113
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3EYJQHJZ2KTVQ7ICEFHXTLZ36MRASWX/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORAMN3Q7TVJ54MBYF75XCJOE3DP7LYHT/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNWGCQLW2VY72NIUYMJOCAKJKTXHDUK2/
    https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc
    https://security.gentoo.org/glsa/201607-15
    https://security.netapp.com/advisory/ntap-20200204-0003/
    https://www.kb.cert.org/vuls/id/718152

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High