CVE-2016-9311

NameCVE-2016-9311
Descriptionntpd in NTP before 4.2.8p9, when the trap service is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted packet.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ntp (PTS)jessie, jessie (lts)1:4.2.6.p5+dfsg-7+deb8u3vulnerable
stretch1:4.2.8p10+dfsg-3+deb9u2fixed
buster1:4.2.8p12+dfsg-4fixed
bullseye1:4.2.8p15+dfsg-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ntpsource(unstable)1:4.2.8p9+dfsg-1

Notes

[jessie] - ntp <no-dsa> (Minor issue)
[wheezy] - ntp <no-dsa> (Minor issue, not vulnerable by default)
http://support.ntp.org/bin/view/Main/NtpBug3119
http://www.talosintelligence.com/reports/TALOS-2016-0204/
Only affects configurations that do not have "restrict noquery", Debian's default config does have that restriction.

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