CVE-2023-4236

named may terminate unexpectedly under high DNS-over-TLS query load

Description

A flaw in the networking code handling DNS-over-TLS queries may cause `named` to terminate unexpectedly due to an assertion failure. This happens when internal data structures are incorrectly reused under significant DNS-over-TLS query load. This issue affects BIND 9 versions 9.18.0 through 9.18.18 and 9.18.11-S1 through 9.18.18-S1.

Scores

Weaknesses (CWE)

• CWE-617

European references

• ENISA EUVD · EUVD-2023-54109
• GCVE · GCVE-0-2023-4236

CERT-FR advisories

• CERTFR-2024-AVI-0122 — Multiples vulnérabilités dans Bind · cert.ssi.gouv.fr
• CERTFR-2023-AVI-0767 — Multiples vulnérabilités dans Bind · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

• cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:* ≥ 9.18.0 < 9.18.18
• cpe:2.3:a:isc:bind:9.18.11:s1:*:*:supported_preview:*:*:*
• cpe:2.3:a:isc:bind:9.18.18:s1:*:*:supported_preview:*:*:*
• cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
• cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*

Affected products

References

• https://kb.isc.org/docs/cve-2023-4236
• http://www.openwall.com/lists/oss-security/2023/09/20/2
• https://www.debian.org/security/2023/dsa-5504
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IPJLLTJCSDJJII7IIZPLTBQNWP7MZH7F/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U35OARLQCPMVCBBPHWBXY5M6XJLD2TZ5/
• https://security.netapp.com/advisory/ntap-20231013-0004/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VSK5V4W4OHPM3JTJGWAQD6CZW7SFD75B/

Sources