Reachable Assertion The advisory has been revoked - it doesn't affect any version of package bind9 (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN10-BIND9-608005
- published21 Aug 2020
- disclosed21 Aug 2020
Introduced: 21 Aug 2020
CVE-2020-8620 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bind9 package and not the bind9 package as distributed by Debian.
In BIND 9.15.6 -> 9.16.5, 9.17.0 -> 9.17.3, An attacker who can establish a TCP connection with the server and send data on that connection can exploit this to trigger the assertion failure, causing the server to exit.
References
- https://security-tracker.debian.org/tracker/CVE-2020-8620
- https://kb.isc.org/docs/cve-2020-8620
- https://security.netapp.com/advisory/ntap-20200827-0003/
- https://www.synology.com/security/advisory/Synology_SA_20_19
- https://security.gentoo.org/glsa/202008-19
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html
- https://usn.ubuntu.com/4468-1/