| Name | CVE-2020-8618 |
| Description | An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients. |
| Source | CVE (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 severity | medium |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| bind9 (PTS) | stretch | 1:9.10.3.dfsg.P4-12.3+deb9u6 | fixed |
| stretch (security) | 1:9.10.3.dfsg.P4-12.3+deb9u7 | fixed |
| buster, buster (security) | 1:9.11.5.P4+dfsg-5.1+deb10u2 | fixed |
| bullseye, sid | 1:9.16.8-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| bind9 | source | jessie | (not affected) | | | |
| bind9 | source | stretch | (not affected) | | | |
| bind9 | source | buster | (not affected) | | | |
| bind9 | source | (unstable) | 1:9.16.4-1 | | | |
Notes
[buster] - bind9 <not-affected> (Vulnerable code introduced later)
[stretch] - bind9 <not-affected> (Vulnerable code introduced later)
[jessie] - bind9 <not-affected> (Vulnerable code introduced later)
https://kb.isc.org/docs/cve-2020-8618
https://gitlab.isc.org/isc-projects/bind9/-/issues/1850