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CVE-2015-7871

Date: August 7, 2017

Crypto-NAK packets in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to bypass authentication.

Severity Score

9.8

Related Resources (14)

Url: https://security.netapp.com/advisory/ntap-20171004-0001/

Url: http://www.debian.org/security/2015/dsa-3388

Url: https://security-tracker.debian.org/tracker/CVE-2015-7871

Url: http://www.securityfocus.com/bid/77287

Url: https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf

Url: https://nvd.nist.gov/vuln/detail/CVE-2015-7871

Url: https://security.gentoo.org/glsa/201604-03

Url: https://security.gentoo.org/glsa/201607-15

Url: http://www.securitytracker.com/id/1033951

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2015-7871

Url: http://support.ntp.org/bin/view/Main/NtpBug2941

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1274265

Url: https://www.mend.io/vulnerability-database/CVE-2015-7871

Severity Score

9.8

Weakness Type (CWE)

Improper Authentication

CWE-287

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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