CVE-2013-5211

NameCVE-2013-5211
DescriptionThe monlist feature in ntp_request.c in ntpd in NTP before 4.2.7p26 allows remote attackers to cause a denial of service (traffic amplification) via forged (1) REQ_MON_GETLIST or (2) REQ_MON_GETLIST_1 requests, as exploited in the wild in December 2013.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs733940

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ntp (PTS)jessie (security), jessie1:4.2.6.p5+dfsg-7+deb8u2vulnerable
stretch1:4.2.8p10+dfsg-3+deb9u2fixed
buster1:4.2.8p12+dfsg-4fixed
bullseye, sid1:4.2.8p13+dfsg-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ntpsource(unstable)1:4.2.8p3+dfsg-1low733940

Notes

[jessie] - ntp <no-dsa> (No backportable code fix exists, default configuration is safe, tiny subsection of affected users can run a backport)
[wheezy] - ntp <no-dsa> (No backportable code fix exists, default configuration is safe, tiny subsection of affected users can run a backport)
[squeeze] - ntp <no-dsa> (No backportable code fix exists, default configuration is safe, tiny subsection of affected users can run a backport)
http://bugs.ntp.org/show_bug.cgi?id=1532
mitigated if noquery used. Only a problem for (public) ntp servers allowing
querying ntpd status, so allowing monlist

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