CVE-2023-4408 (GCVE-0-2023-4408)

Vulnerability from cvelistv5 – Published: 2024-02-13 14:04 – Updated: 2025-03-14 16:16
VLAI
Title
Parsing large DNS messages may cause excessive CPU load
Summary
The DNS message parsing code in `named` includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may cause excessive CPU load on the affected `named` instance by exploiting this flaw. This issue affects both authoritative servers and recursive resolvers. This issue affects BIND 9 versions 9.0.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-02-21 20:37 UTC
CWE
  • CWE-407 - Inefficient Algorithmic Complexity
Assigner
isc CNA under the mitre root
CNA scorecard A 95/100 over 29 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
ISC BIND 9 Affected: 9.0.0 , ≤ 9.16.45 (custom)
Affected: 9.18.0 , ≤ 9.18.21 (custom)
Affected: 9.19.0 , ≤ 9.19.19 (custom)
Affected: 9.9.3-S1 , ≤ 9.11.37-S1 (custom)
Affected: 9.16.8-S1 , ≤ 9.16.45-S1 (custom)
Affected: 9.18.11-S1 , ≤ 9.18.21-S1 (custom)
guessed Create a notification for this product.
Date Public
2024-02-13 00:00
Credits
ISC would like to thank Shoham Danino from Reichman University, Anat Bremler-Barr from Tel-Aviv University, Yehuda Afek from Tel-Aviv University, and Yuval Shavitt from Tel-Aviv University for bringing this vulnerability to our attention.
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}



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