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    CVE-2018-7183

    Buffer overflow in the decodearr function in ntpq in ntp 4.2.8p6 through 4.2.8p10 allows remote attackers to execute arbitrary code by leveraging an ntpq query and sending a response with a crafted array.

    Published:Feb 27, 2018
    Last Modified:Nov 21, 2024
    EPS:Mar 8, 2018
    EPSS Score:0.10503
    CVSS Score:9.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Freebsd
    Product
    Freebsd
    Vendor
    Netapp
    Product
    Element Software
    Vendor
    Ntp
    Product
    Ntp

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    References

    http://support.ntp.org/bin/view/Main/NtpBug3414
    http://support.ntp.org/bin/view/Main/SecurityNotice#February_2018_ntp_4_2_8p11_NTP_S
    http://www.securityfocus.com/bid/103351
    https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc
    https://security.gentoo.org/glsa/201805-12
    https://security.netapp.com/advisory/ntap-20180626-0001/
    https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
    https://usn.ubuntu.com/3707-1/
    https://usn.ubuntu.com/3707-2/
    https://www.oracle.com//security-alerts/cpujul2021.html
    https://www.synology.com/support/security/Synology_SA_18_13
    http://support.ntp.org/bin/view/Main/NtpBug3414
    http://support.ntp.org/bin/view/Main/SecurityNotice#February_2018_ntp_4_2_8p11_NTP_S
    http://www.securityfocus.com/bid/103351
    https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc
    https://security.gentoo.org/glsa/201805-12
    https://security.netapp.com/advisory/ntap-20180626-0001/
    https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
    https://usn.ubuntu.com/3707-1/
    https://usn.ubuntu.com/3707-2/
    https://www.oracle.com//security-alerts/cpujul2021.html
    https://www.synology.com/support/security/Synology_SA_18_13

    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