bind9: An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigge...
CVE-2020-8618 is fixed in 7 products on 1 platform, first by bind9 1:9.16.1-0ubuntu2.2, released June 16, 2020. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bind9 · Ubuntu 20.04 LTS (focal) | 1:9.16.1-0ubuntu2.2 | bind9 1:9.16.1-0ubuntu2.2 | Jun 16, 2020 |
| bind9-dnsutils · Ubuntu 20.04 LTS (focal) | 1:9.16.1-0ubuntu2.2 | bind9-dnsutils 1:9.16.1-0ubuntu2.2 | Jun 16, 2020 |
| bind9-host · Ubuntu 20.04 LTS (focal) | 1:9.16.1-0ubuntu2.2 | bind9-host 1:9.16.1-0ubuntu2.2 | Jun 16, 2020 |
| bind9-libs · Ubuntu 20.04 LTS (focal) | 1:9.16.1-0ubuntu2.2 | bind9-libs 1:9.16.1-0ubuntu2.2 | Jun 16, 2020 |
| bind9-utils · Ubuntu 20.04 LTS (focal) | 1:9.16.1-0ubuntu2.2 | bind9-utils 1:9.16.1-0ubuntu2.2 | Jun 16, 2020 |
| bind9utils · Ubuntu 20.04 LTS (focal) | 1:9.16.1-0ubuntu2.2 | bind9utils 1:9.16.1-0ubuntu2.2 | Jun 16, 2020 |
| dnsutils · Ubuntu 20.04 LTS (focal) | 1:9.16.1-0ubuntu2.2 | dnsutils 1:9.16.1-0ubuntu2.2 | Jun 16, 2020 |
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