Vulnerability Details : CVE-2017-6451
The mx4200_send function in the legacy MX4200 refclock in NTP before 4.2.8p10 and 4.3.x before 4.3.94 does not properly handle the return value of the snprintf function, which allows local users to execute arbitrary code via unspecified vectors, which trigger an out-of-bounds memory write.
Vulnerability category: Memory CorruptionExecute code
Products affected by CVE-2017-6451
- cpe:2.3:a:ntp:ntp:4.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.8:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.9:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.6:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.7:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.10:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.11:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.13:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.14:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.20:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.21:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.28:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.29:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.36:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.37:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.43:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.44:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.51:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.52:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.59:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.66:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.67:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.74:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.75:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.81:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.82:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.89:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.17:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.18:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.24:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.25:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.32:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.33:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.40:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.47:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.48:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.55:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.56:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.62:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.63:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.70:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.78:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.79:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.85:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.86:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.12:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.19:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.26:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.27:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.34:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.35:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.41:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.42:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.49:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.50:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.57:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.58:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.64:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.65:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.71:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.72:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.73:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.80:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.87:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.88:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.15:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.16:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.22:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.23:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.30:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.31:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.38:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.39:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.45:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.46:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.53:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.54:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.60:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.61:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.68:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.69:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.76:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.77:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.83:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.84:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.90:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.91:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.92:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p9:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.3.93:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-6451
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-6451
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2017-6451
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-6451
-
http://www.securitytracker.com/id/1039427
Apple macOS/OS X Multiple Flaws Let Remote and Local Users Bypass Security and Deny Service, Local Users Obtain Potentially Sensitive Information, and Applications Gain Elevated Privileges - SecurityT
-
https://support.apple.com/HT208144
About the security content of macOS High Sierra 10.13 - Apple Support
-
http://www.securitytracker.com/id/1038123
ntp Multiple Bugs Let Remote or Local Users Cause the Target Service to Crash - SecurityTrackerThird Party Advisory;VDB Entry
-
http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secu
SecurityNotice < Main < NTPVendor Advisory
-
http://support.ntp.org/bin/view/Main/NtpBug3378
NtpBug3378 < Main < NTPPatch;Vendor Advisory
-
http://www.securityfocus.com/bid/97058
NTP CVE-2017-6451 Local Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
HPESBUX03962 rev.1 - HP-UX NTP service, multiple vulnerabilities
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