CVE-2015-7979

NameCVE-2015-7979
DescriptionNTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (client-server association tear down) by sending broadcast packets with invalid authentication to a broadcast client.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-559-1, DSA-3629-1

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+deb8u3fixed
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
ntpsourcewheezy1:4.2.6.p5+dfsg-2+deb7u7DLA-559-1
ntpsourcejessie1:4.2.6.p5+dfsg-7+deb8u2DSA-3629-1
ntpsource(unstable)1:4.2.8p7+dfsg-1

Notes

http://support.ntp.org/bin/view/Main/SecurityNotice#January_2016_NTP_4_2_8p6_Securit
http://support.ntp.org/bin/view/Main/NtpBug2942
https://github.com/ntp-project/ntp/commit/fe46889f7baa75fc8e6c0fcde87706d396ce1461

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