CVE-2015-7977

MEDIUM

NTP <4.2.8p6, <4.3.90 - DoS

Title source: llm

Description

ntpd in NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (NULL pointer dereference) via a ntpdc reslist command.

References (27)

[Third Party Advisory] http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177507.html

[Third Party Advisory] http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176434.html

[Broken Link] http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html

[Broken Link] http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html

[Broken Link] http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html

[Broken Link] http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html

[Broken Link] http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html

[Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html

[Broken Link] http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html

[Broken Link] http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html

[Broken Link] http://rhn.redhat.com/errata/RHSA-2016-0780.html

[Broken Link] http://rhn.redhat.com/errata/RHSA-2016-2583.html

[Vendor Advisory] http://support.ntp.org/bin/view/Main/NtpBug2939

[Vendor Advisory] http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security

[Third Party Advisory] http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd

[Third Party Advisory] http://www.debian.org/security/2016/dsa-3629

[Third Party Advisory] http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/81815

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1034782

[Third Party Advisory] http://www.ubuntu.com/usn/USN-3096-1

... and 7 more

Scores

CVSS v3 5.9

EPSS 0.1635

EPSS Percentile 94.8%

Attack Vector NETWORK

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

Classification

CWE

CWE-476

Status published

Affected Products (50)

ntp/ntp < 4.2.8

ntp/ntp

... and 35 more

Timeline

Published Jan 30, 2017

Tracked Since Feb 18, 2026