CVE-2019-6442

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    CVE-2019-6442

    Published: 16 Jan 2019Last Modified: 8 Jul 2026

    Summary:

    Details: An issue was discovered in NTPsec before 1.1.3. An authenticated attacker can write one byte out of bounds in ntpd via a malformed config request, related to config_remotely in ntp_config.c, yyparse in ntp_parser.tab.c, and yyerror in ntp_parser.y.

    References: https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS, https://dumpco.re/blog/ntpsec-bugs, https://dumpco.re/bugs/ntpsec-authed-oobwrite, https://www.exploit-db.com/exploits/46178/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -113e618782a44b77a2b7efab94691bf4476d84dd

    Affected versions

    NTPsec_1_1_2

    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