CVE-2020-8620

HIGH

BIND 9.15.6-9.16.5 and 9.17.0-9.17.3 - Reachable Assertion via TCP Connection

Title source: llm
STIX 2.1

Description

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 (7)

Core 7
Core References
Vendor Advisory x_refsource_confirm
https://kb.isc.org/docs/cve-2020-8620
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200827-0003/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4468-1/
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202008-19
Third Party Advisory x_refsource_confirm
https://www.synology.com/security/advisory/Synology_SA_20_19
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html

Scores

CVSS v3 7.5
EPSS 0.0837
EPSS Percentile 92.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-617
Status published
Products (11)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
isc/bind 9.9.12 s1
isc/bind 9.9.13 s1
isc/bind 9.11.3 s1
isc/bind 9.11.21 s1
isc/bind 9.15.6 - 9.16.5
netapp/steelstore_cloud_integrated_storage
opensuse/leap 15.1
... and 1 more
Published Aug 21, 2020
Tracked Since Feb 18, 2026