OpenNTPD Vulnerability: Man-in-the-Middle Bypass via Crafted Timestamp Constraint

OpenNTPD Vulnerability: Man-in-the-Middle Bypass via Crafted Timestamp Constraint

CVE-2016-5117 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:P/A:N

OpenNTPD before 6.0p1 does not validate the CN for HTTPS constraint requests, which allows remote attackers to bypass the man-in-the-middle mitigations via a crafted timestamp constraint with a valid certificate.

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