CVE-2016-5117
N/A
Published: January 31, 2017 at 07:00 PM UTC
Updated: June 17, 2026 at 12:48 AM UTC
1 product affected across 1 vendorOpenntpd
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
N/A
Exploit prediction
EPSS 0.7%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 6.0
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
x_refsource_CONFIRMPatch
Source: [email protected]
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/ntpd/constraint.c.diff?r1=1.27&r2=1.28x_refsource_CONFIRMVendor Advisory
Source: [email protected]
http://www.openntpd.org/txt/release-6.0p1.txtMailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/05/23/2Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/05/29/6Quick Info
StatusMODIFIED
CWE
CWE-254
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card