CVE-2016-7431

NameCVE-2016-7431
DescriptionNTP before 4.2.8p9 allows remote attackers to bypass the origin timestamp protection mechanism via an origin timestamp of zero. NOTE: this vulnerability exists because of a CVE-2015-8138 regression.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ntp (PTS)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
ntpsourcewheezy(not affected)
ntpsourcejessie(not affected)
ntpsource(unstable)1:4.2.8p9+dfsg-1

Notes

[jessie] - ntp <not-affected> (Vulnerable code not present)
[wheezy] - ntp <not-affected> (Vulnerable code introduced later)
http://support.ntp.org/bin/view/Main/NtpBug3102

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