CVE Tools
Sign in

CVE-2023-5679

Enabling both DNS64 and serve-stale may cause an assertion failure during recursive resolution

Published: Feb 13, 2024Updated: Mar 29, 2025 Sources: CVE List NVD BDU csafNVD-CWE-noinfo
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.2%
Top 35.0%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

Description

A bad interaction between DNS64 and serve-stale may cause `named` to crash with an assertion failure during recursive resolution, when both of these features are enabled. This issue affects BIND 9 versions 9.16.12 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.16.12-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.

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

NVD-CWE-noinfoCWE-617

Affected Products

BIND 9ISCNetworking Infrastructure
active iq unified managernetappHardware Firmware
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
bindiscNetworking Infrastructure
OpenSUSE LeapNovell Inc.
On-premOS
Operating Systems / linux-distro
isccommercialUSNetworking Infrastructureaka internet systems consortium
netappcommercialUSHardware Firmware
fedoraprojectoss-projectUSOperating Systemsaka fedora project
novell inc.commercialUSOperating Systems
and 20 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

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-2023-5679
kb.isc.org
http://www.openwall.com/lists/oss-security/2024/02/13/1
openwall.com
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/
lists.fedoraproject.org
and 28 more references View all →

Timeline

Published
Feb 13, 2024
Last Updated
Mar 29, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2023-5679 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows