| Name | CVE-2013-5211 |
| Description | The 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 733940 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ntp (PTS) | jessie, jessie (lts) | 1:4.2.6.p5+dfsg-7+deb8u3 | vulnerable |
| stretch | 1:4.2.8p10+dfsg-3+deb9u2 | fixed |
| buster | 1:4.2.8p12+dfsg-4 | fixed |
| bullseye | 1:4.2.8p15+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| ntp | source | (unstable) | 1:4.2.8p3+dfsg-1 | low | | 733940 |
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