| Name | CVE-2016-6170 |
| Description | ISC BIND through 9.9.9-P1, 9.10.x through 9.10.4-P1, and 9.11.x through 9.11.0b1 allows primary DNS servers to cause a denial of service (secondary DNS server crash) via a large AXFR response, and possibly allows IXFR servers to cause a denial of service (IXFR client crash) via a large IXFR response and allows remote authenticated users to cause a denial of service (primary DNS server crash) via a large UPDATE message. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | medium (attack range: remote) |
| Debian Bugs | 830810 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| bind9 (PTS) | wheezy | 1:9.8.4.dfsg.P1-6+nmu2+deb7u10 | vulnerable |
| wheezy (security) | 1:9.8.4.dfsg.P1-6+nmu2+deb7u18 | vulnerable | |
| jessie | 1:9.9.5.dfsg-9+deb8u12 | vulnerable | |
| jessie (security) | 1:9.9.5.dfsg-9+deb8u13 | vulnerable | |
| stretch | 1:9.10.3.dfsg.P4-12.3+deb9u3 | vulnerable | |
| stretch (security) | 1:9.10.3.dfsg.P4-12.3+deb9u2 | vulnerable | |
| buster | 1:9.10.3.dfsg.P4-12.6 | vulnerable | |
| sid | 1:9.10.6+dfsg-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| bind9 | source | (unstable) | (unfixed) | unimportant | 830810 |
Not fixed upstream, proposed patches below are unofficial:
Fixed by https://github.com/sischkg/xfer-limit/blob/master/bind-9.10.3-xfer-limit-0.0.1.patch
Fixed by https://github.com/sischkg/xfer-limit/blob/master/bind-9.9.9-P1-xfer-limit-0.0.1.patch
Negligable security impact