CVE-2020-8620

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 21-08-2020 11:15

Last modified: - 02-06-2022 10:34

Total changes: - 2

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Low

Attack complexity

Network

Attack vector

High

Availability

None

Confidentiality

None

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

7.5

Base score

3.9

3.6

Exploitability score

Impact score

Verification logic

vendor=isc AND product=bind AND versionEndIncluding=9.17.3 AND versionStartIncluding=9.17.0

vendor=isc AND product=bind AND versionEndIncluding=9.16.5 AND versionStartIncluding=9.15.6

vendor=isc AND product=bind AND version=9.11.3 AND update=s1 AND software_edition=supported_preview

vendor=isc AND product=bind AND version=9.9.12 AND update=s1 AND software_edition=supported_preview

vendor=isc AND product=bind AND version=9.9.13 AND update=s1 AND software_edition=supported_preview

vendor=isc AND product=bind AND version=9.11.21 AND update=s1 AND software_edition=supported_preview

vendor=opensuse AND product=leap AND version=15.1

vendor=opensuse AND product=leap AND version=15.2

vendor=netapp AND product=steelstore_cloud_integrated_storage AND version=-

vendor=canonical AND product=ubuntu_linux AND version=12.04 AND software_edition=lts

vendor=canonical AND product=ubuntu_linux AND version=18.04 AND software_edition=lts

vendor=canonical AND product=ubuntu_linux AND version=16.04 AND software_edition=esm

Reference

https://kb.isc.org/docs/cve-2020-8620
https://security.netapp.com/advisory/ntap-20200827-0003/
USN-4468-1-Third Party Advisory
GLSA-202008-19-Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_20_19
openSUSE-SU-2020:1699-Third Party Advisory
openSUSE-SU-2020:1701-Third Party Advisory

Keywords

CVE-2020-8620

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2020-8620

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures