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CVE-2015-7849

Date: August 7, 2017

Use-after-free vulnerability in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to possibly execute arbitrary code or cause a denial of service (crash) via crafted packets.

Severity Score

8.8

Related Resources (8)

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1274257

Url: http://support.ntp.org/bin/view/Main/NtpBug2916

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

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

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

Url: https://nvd.nist.gov/vuln/detail/CVE-2015-7849

Url: http://www.securityfocus.com/bid/77276

Url: https://www.mend.io/vulnerability-database/CVE-2015-7849

Severity Score

8.8

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:	8.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	SINGLE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
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