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CVE-2020-8623

A flaw in native PKCS#11 code can lead to a remotely triggerable assertion failure in pk11.c

Published: Aug 21, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-617
NVD MITRE
7.5CVSSHIGH
EPSS Score
6.3%
Top 7.3%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

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

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-617

Affected Products

BIND9ISCNetworking Infrastructure
bindiscNetworking Infrastructure
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
leapopensuse
On-premOS
Operating Systems / linux-distro
debian linuxdebian
On-premOS
Operating Systems / linux-distro
isccommercialUSNetworking Infrastructureaka internet systems consortium
fedoraprojectoss-projectUSOperating Systemsaka fedora project
opensuseoss-projectDEOperating Systemsaka opensuse
debianoss-projectGBOperating Systemsaka debian gnu/linux
and 13 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://kb.isc.org/docs/cve-2020-8623
kb.isc.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/
lists.fedoraproject.org
https://security.netapp.com/advisory/ntap-20200827-0003/
security.netapp.com
and 22 more references View all →

Timeline

Published
Aug 21, 2020
Last Updated
Nov 21, 2024

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