Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2020-8623

Disclosure Date: August 21, 2020
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

In BIND 9.10.0 –> 9.11.21, 9.12.0 –> 9.16.5, 9.17.0 –> 9.17.3, also affects 9.10.5-S1 –> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: * be running BIND that was built with “—enable-native-pkcs11” * be signing one or more zones with an RSA key * be able to receive queries from a possible attacker

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CVSS V3 Severity and Metrics
Base Score:
7.5 High
Impact Score:
3.6
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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

General Information

Vendors

  • ISC

Products

  • BIND9

Additional Info

Technical Analysis