high
7.8
CWE
119
Advisory Published
CVE Published
Updated

CVE-2017-6462: Buffer Overflow

First published: Mon Mar 20 2017(Updated: )

Buffer overflow in the legacy Datum Programmable Time Server (DPTS) refclock driver in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows local users to have unspecified impact via a crafted /dev/datum device.

Credit: cve@mitre.org Cure53 Matthew Van Gundy Cisco

Affected SoftwareAffected VersionHow to fix
redhat/ntp<4.2.8
4.2.8
redhat/ntp<4.3.94
4.3.94
debian/ntp
1:4.2.8p15+dfsg-1
macOS High Sierra<10.13
10.13
NTP=4.2.8-p9
NTP=4.3.0
NTP=4.3.1
NTP=4.3.2
NTP=4.3.3
NTP=4.3.4
NTP=4.3.5
NTP=4.3.6
NTP=4.3.7
NTP=4.3.8
NTP=4.3.9
NTP=4.3.10
NTP=4.3.11
NTP=4.3.12
NTP=4.3.13
NTP=4.3.14
NTP=4.3.15
NTP=4.3.16
NTP=4.3.17
NTP=4.3.18
NTP=4.3.19
NTP=4.3.20
NTP=4.3.21
NTP=4.3.22
NTP=4.3.23
NTP=4.3.24
NTP=4.3.25
NTP=4.3.26
NTP=4.3.27
NTP=4.3.28
NTP=4.3.29
NTP=4.3.30
NTP=4.3.31
NTP=4.3.32
NTP=4.3.33
NTP=4.3.34
NTP=4.3.35
NTP=4.3.36
NTP=4.3.37
NTP=4.3.38
NTP=4.3.39
NTP=4.3.40
NTP=4.3.41
NTP=4.3.42
NTP=4.3.43
NTP=4.3.44
NTP=4.3.45
NTP=4.3.46
NTP=4.3.47
NTP=4.3.48
NTP=4.3.49
NTP=4.3.50
NTP=4.3.51
NTP=4.3.52
NTP=4.3.53
NTP=4.3.54
NTP=4.3.55
NTP=4.3.56
NTP=4.3.57
NTP=4.3.58
NTP=4.3.59
NTP=4.3.60
NTP=4.3.61
NTP=4.3.62
NTP=4.3.63
NTP=4.3.64
NTP=4.3.65
NTP=4.3.66
NTP=4.3.67
NTP=4.3.68
NTP=4.3.69
NTP=4.3.70
NTP=4.3.71
NTP=4.3.72
NTP=4.3.73
NTP=4.3.74
NTP=4.3.75
NTP=4.3.76
NTP=4.3.77
NTP=4.3.78
NTP=4.3.79
NTP=4.3.80
NTP=4.3.81
NTP=4.3.82
NTP=4.3.83
NTP=4.3.84
NTP=4.3.85
NTP=4.3.86
NTP=4.3.87
NTP=4.3.88
NTP=4.3.89
NTP=4.3.90
NTP=4.3.91
NTP=4.3.92
NTP=4.3.93

Remedy

http://support.ntp.org/bin/view/Main/NtpBug3388

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2017-6462?

    CVE-2017-6462 is classified as a medium severity vulnerability due to the potential for local impact via a crafted /dev/datum device.

  • How do I fix CVE-2017-6462?

    To fix CVE-2017-6462, update NTP to version 4.2.8p10 or 4.3.94 or newer.

  • Who is affected by CVE-2017-6462?

    CVE-2017-6462 affects NTP versions prior to 4.2.8p10 and NTP 4.3.x before 4.3.94.

  • What type of vulnerability is CVE-2017-6462?

    CVE-2017-6462 is a buffer overflow vulnerability in the legacy Datum Programmable Time Server (DPTS) refclock driver.

  • Can CVE-2017-6462 be exploited remotely?

    CVE-2017-6462 cannot be exploited remotely, as it requires local user access to trigger the vulnerability.

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