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    CVE-2016-1567

    chrony before 1.31.2 and 2.x before 2.2.1 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a "skeleton key."

    Published:Jan 20, 2016
    Last Modified:Apr 12, 2025
    EPS:Jan 26, 2016
    EPSS Score:0.00714
    CVSS Score:8.1

    Affected Products

    Vendor
    Tuxfamily
    Product
    Chrony

    Exploits

    http://www.talosintel.com/reports/TALOS-2016-0071/http://www.talosintel.com/reports/TALOS-2016-0071/

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2020-14367 (CVSS 6) — A flaw was found in chrony versions before 3.5.1 when creating the PID file under the /var/run/chrony folder. …
    CVE-2015-1821 (CVSS 6.5) — Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of serv…
    CVE-2015-1822 (CVSS 6.5) — chrony before 1.31.1 does not initialize the last "next" pointer when saving unacknowledged replies to command…
    CVE-2015-1853 (CVSS 6.5) — chrony before 1.31.1 does not properly protect state variables in authenticated symmetric NTP associations, wh…
    CVE-2012-4502 (CVSS 5) — Multiple integer overflows in pktlength.c in Chrony before 1.29 allow remote attackers to cause a denial of se…
    CVE-2012-4503 (CVSS 5) — cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack …
    CVE-2010-0293 (CVSS 5) — The client logging functionality in chronyd in Chrony before 1.23.1 does not restrict the amount of memory use…
    CVE-2010-0294 (CVSS 5) — chronyd in Chrony before 1.23.1, and possibly 1.24-pre1, generates a syslog message for each unauthorized cmdm…
    CVE-2010-0292 (CVSS 5) — The read_from_cmd_socket function in cmdmon.c in chronyd in Chrony before 1.23.1, and 1.24-pre1, allows remote…

    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