CVE-2015-7976: Medium severity NTP ntp vulnerability

Published Jan 30, 2017
·
Updated

The ntpq saveconfig command in NTP 4.1.2, 4.2.x before 4.2.8p6, 4.3, 4.3.25, 4.3.70, and 4.3.77 does not properly filter special characters, which allows attackers to cause unspecified impact via a crafted filename.

Affected Software

108 affected components
NTP ntp=4.1.2
NTP ntp<=4.2.8
NTP ntp=4.3.0
NTP ntp=4.3.1
NTP ntp=4.3.2
NTP ntp=4.3.3
NTP ntp=4.3.4
NTP ntp=4.3.5
NTP ntp=4.3.6
NTP ntp=4.3.7
NTP ntp=4.3.8
NTP ntp=4.3.9
NTP ntp=4.3.10
NTP ntp=4.3.11
NTP ntp=4.3.12
NTP ntp=4.3.13
NTP ntp=4.3.14
NTP ntp=4.3.15
NTP ntp=4.3.16
NTP ntp=4.3.17
NTP ntp=4.3.18
NTP ntp=4.3.19
NTP ntp=4.3.20
NTP ntp=4.3.21
NTP ntp=4.3.22
NTP ntp=4.3.23
NTP ntp=4.3.24
NTP ntp=4.3.25
NTP ntp=4.3.26
NTP ntp=4.3.27
NTP ntp=4.3.28
NTP ntp=4.3.29
NTP ntp=4.3.30
NTP ntp=4.3.31
NTP ntp=4.3.32
NTP ntp=4.3.33
NTP ntp=4.3.34
NTP ntp=4.3.35
NTP ntp=4.3.36
NTP ntp=4.3.37
NTP ntp=4.3.38
NTP ntp=4.3.39
NTP ntp=4.3.40
NTP ntp=4.3.41
NTP ntp=4.3.42
NTP ntp=4.3.43
NTP ntp=4.3.44
NTP ntp=4.3.45
NTP ntp=4.3.46
NTP ntp=4.3.47
NTP ntp=4.3.48
NTP ntp=4.3.49
NTP ntp=4.3.50
NTP ntp=4.3.51
NTP ntp=4.3.52
NTP ntp=4.3.53
NTP ntp=4.3.54
NTP ntp=4.3.55
NTP ntp=4.3.56
NTP ntp=4.3.57
NTP ntp=4.3.58
NTP ntp=4.3.59
NTP ntp=4.3.60
NTP ntp=4.3.61
NTP ntp=4.3.62
NTP ntp=4.3.63
NTP ntp=4.3.64
NTP ntp=4.3.65
NTP ntp=4.3.66
NTP ntp=4.3.67
NTP ntp=4.3.68
NTP ntp=4.3.69
NTP ntp=4.3.70
NTP ntp=4.3.71
NTP ntp=4.3.72
NTP ntp=4.3.73
NTP ntp=4.3.74
NTP ntp=4.3.75
NTP ntp=4.3.76
NTP ntp=4.3.77
NTP ntp=4.3.78
NTP ntp=4.3.79
NTP ntp=4.3.80
NTP ntp=4.3.81
NTP ntp=4.3.82
NTP ntp=4.3.83
NTP ntp=4.3.84
NTP ntp=4.3.85
NTP ntp=4.3.86
NTP ntp=4.3.87
NTP ntp=4.3.88
NTP ntp=4.3.89
SUSE Linux Enterprise Debuginfo=11-sp2
SUSE Linux Enterprise Debuginfo=11-sp3
SUSE Linux Enterprise Debuginfo=11-sp4
SUSE Manager=2.1
SUSE Manager Proxy=2.1
Novell Suse Openstack Cloud=5
openSUSE Leap=42.1
openSUSE openSUSE=13.2
SUSE Linux Enterprise Desktop=12
SUSE Linux Enterprise Desktop=12-sp1
SUSE Linux Enterprise Server=10-sp4
SUSE Linux Enterprise Server=11-sp2
SUSE Linux Enterprise Server=11-sp3
SUSE Linux Enterprise Server=11-sp4
SUSE Linux Enterprise Server=12-sp1
SUSE SUSE Linux Enterprise Server=12

Event History

Jan 30, 2017
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
Description
Data Sourced
via NVD·09:59 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2015-7976?

CVE-2015-7976 is considered to have a medium severity due to its potential for unspecified impact using special character filtering issues.

2

Which versions are affected by CVE-2015-7976?

CVE-2015-7976 affects NTP versions 4.1.2, 4.2.x before 4.2.8p6, and several versions in the 4.3 series up to 4.3.78.

3

How do I fix CVE-2015-7976?

To resolve CVE-2015-7976, upgrade NTP to versions 4.2.8p6 or later, or to the latest 4.3.x version.

4

What is the impact of exploiting CVE-2015-7976?

Exploitation of CVE-2015-7976 could lead to unauthorized actions by manipulating filename inputs.

5

Is there a workaround for CVE-2015-7976?

A temporary workaround for CVE-2015-7976 is to avoid using the ntpq saveconfig command with untrusted filenames.

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