| Name | CVE-2016-6301 |
| Description | The recv_and_process_client_pkt function in networking/ntpd.c in busybox allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged NTP packet, which triggers a communication loop. |
| 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 | 833442 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| busybox (PTS) | jessie, jessie (lts) | 1:1.22.0-9+deb8u5 | vulnerable |
| stretch (security), stretch (lts), stretch | 1:1.22.0-19+deb9u2 | vulnerable |
| buster | 1:1.30.1-4 | fixed |
| bullseye | 1:1.30.1-6 | fixed |
| bookworm | 1:1.35.0-4 | fixed |
| sid, trixie | 1:1.37.0-4 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| busybox | source | (unstable) | 1:1.27.2-1 | unimportant | | 833442 |
Notes
NTP server not enabled by default in debian/config/pkg/* via CONFIG_NTPD
Fixed by: https://git.busybox.net/busybox/commit/?id=150dc7a2b483b8338a3e185c478b4b23ee884e71