CVE-2015-7974 Information

Description

NTP 4.x before 4.2.8p6 and 4.3.x before 4.3.90 do not verify peer associations of symmetric keys when authenticating packets which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key aka a \skeleton key.\

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Reference

http://bugs.ntp.org/show_bug.cgi?id=2936 http://rhn.redhat.com/errata/RHSA-2016-2583.html http://support.ntp.org/bin/view/Main/NtpBug2936 http://www.debian.org/security/2016/dsa-3629 http://www.securityfocus.com/bid/81960 http://www.securitytracker.com/id/1034782 http://www.talosintel.com/reports/TALOS-2016-0071/ https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc https://security.gentoo.org/glsa/201607-15 https://security.netapp.com/advisory/ntap-20171031-0001/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.7