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CVE-2020-8620

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Date: August 21, 2020

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.

Language: C++

Severity Score

Related Resources (9)

https://security.gentoo.org/glsa/202008-19
https://security.netapp.com/advisory/ntap-20200827-0003/
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html
https://usn.ubuntu.com/4468-1/
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
https://nvd.nist.gov/vuln/detail/CVE-2020-8620
https://www.synology.com/security/advisory/Synology_SA_20_19
https://kb.isc.org/docs/cve-2020-8620
https://www.mend.io/vulnerability-database/CVE-2020-8620

Severity Score

Weakness Type (CWE)

Reachable Assertion

CWE-617

Top Fix

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Upgrade to version 9.16.6;9.17.4

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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