National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-7703 Detail

Current Description

The "pidfile" or "driftfile" directives in NTP ntpd 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77, when ntpd is configured to allow remote configuration, allows remote attackers with an IP address that is allowed to send configuration requests, and with knowledge of the remote configuration password to write to arbitrary files via the :config command.

Source:  MITRE
Description Last Modified:  07/24/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.4 HIGH
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H (V3 legend)
Impact Score: 5.2
Exploitability Score: 2.2


Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://rhn.redhat.com/errata/RHSA-2016-0780.html
http://rhn.redhat.com/errata/RHSA-2016-2583.html
http://support.ntp.org/bin/view/Main/NtpBug2902 Patch Vendor Advisory
http://www.debian.org/security/2015/dsa-3388
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.securityfocus.com/bid/77278 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1033951
https://bugzilla.redhat.com/show_bug.cgi?id=1254547 Issue Tracking Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201607-15 Third Party Advisory
https://security.netapp.com/advisory/ntap-20171004-0001/

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:ntp:ntp:4.2.0:*:*:*:*:*:*:*
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cpe:2.3:a:ntp:ntp:4.2.4:p7_rc1:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p7_rc2:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p7_rc3:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p7_rc4:*:*:*:*:*:*
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cpe:2.3:a:ntp:ntp:4.2.4:p7_rc6:*:*:*:*:*:*
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cpe:2.3:a:ntp:ntp:4.2.5:p201:*:*:*:*:*:*
Showing 100 of 759 CPEs, view all CPEs here.

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Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-7703
NVD Published Date:
07/24/2017
NVD Last Modified:
05/17/2018