| Name | CVE-2016-9311 |
| Description | ntpd 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. |
| Source | CVE (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 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) | 1:4.2.8p9+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.