CVE-2017-6455

moderate-risk

Published 2017-03-27

NTP before 4.2.8p10 and 4.3.x before 4.3.94, when using PPSAPI, allows local users to gain privileges via a DLL in the PPSAPI_DLLS environment variable.

Do I need to act?

0.06% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.0/10 High

LOCAL / HIGH complexity

Affected Products (20)

Ntp

Affected Vendors

Ntp

References (12)

Patch http://support.ntp.org/bin/view/Main/NtpBug3384

Vendor Advisory http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_...

Third Party Advisory http://www.securityfocus.com/bid/97074

Third Party Advisory http://www.securitytracker.com/id/1038123

http://www.securitytracker.com/id/1039427

https://support.apple.com/HT208144

Patch http://support.ntp.org/bin/view/Main/NtpBug3384

Vendor Advisory http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_...

Third Party Advisory http://www.securityfocus.com/bid/97074

Third Party Advisory http://www.securitytracker.com/id/1038123

http://www.securitytracker.com/id/1039427

https://support.apple.com/HT208144

/ 100

moderate-risk

Severity 18/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 30/34 · Critical