BIND 9 named Crash via DNS64+serve-stale v9.16.129.19.19
CVE-2023-5679 Published on February 13, 2024
Enabling both DNS64 and serve-stale may cause an assertion failure during recursive resolution
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.
Vulnerability Analysis
CVE-2023-5679 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is an assertion failure Vulnerability?
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
CVE-2023-5679 has been classified to as an assertion failure vulnerability or weakness.
Products Associated with CVE-2023-5679
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Affected Versions
ISC BIND 9:- Version 9.16.12, <= 9.16.45 is affected.
- Version 9.18.0, <= 9.18.21 is affected.
- Version 9.19.0, <= 9.19.19 is affected.
- Version 9.16.12-S1, <= 9.16.45-S1 is affected.
- Version 9.18.11-S1, <= 9.18.21-S1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.