CVE - CVE-2016-5117

CVE-ID
CVE-2016-5117	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
CONFIRM:http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/ntpd/constraint.c.diff?r1=1.27&r2=1.28 CONFIRM:http://www.openntpd.org/txt/release-6.0p1.txt MLIST:[oss-security] 20160523 CVE request: OpenNTPD not verifying CN during HTTPS constraints request URL:http://www.openwall.com/lists/oss-security/2016/05/23/2 MLIST:[oss-security] 20160529 Re: CVE request: OpenNTPD not verifying CN during HTTPS constraints request URL:http://www.openwall.com/lists/oss-security/2016/05/29/6
Assigning CNA
MITRE Corporation
Date Record Created
20160529	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20160529)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
This is an record on the CVE List, which provides common identifiers for publicly known cybersecurity vulnerabilities.
Search CVE Using Keywords: You can also search by reference using the CVE Reference Maps.
For More Information: CVE Request Web Form (select "Other" from dropdown)