Security readout for executives and security teams
CVE-2023-5679 can crash ISC BIND named during recursive DNS resolution when DNS64 and serve-stale are both enabled. The business impact is DNS availability: affected resolvers may stop answering until restarted, disrupting name resolution for users or services that depend on them. Exposure is limited to ISC BIND 9 recursive resolvers in the affected version ranges with both DNS64 and serve-stale enabled. Organizations not using BIND, not running recursive resolution, outside the listed versions, or without both features enabled are less likely to be exposed. Treat as high priority for DNS infrastructure that uses affected BIND recursive resolvers with both features enabled. It is not shown as actively exploited in the provided sources, but DNS outage impact can be broad and operationally visible. Mitigation focus: Review the ISC advisory for fixed versions and configuration guidance.; Update affected BIND 9 packages through vendor or distribution channels.; Prioritize recursive resolvers with DNS64 and serve-stale both enabled..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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Open ATT&CK lookupCVE-2023-5679 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- CVE-2023-5679CVE reference · vendor-advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/CVE reference
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/CVE reference
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/CVE reference
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/CVE reference
- https://security.netapp.com/advisory/ntap-20240426-0002/CVE reference
Products and packages named in the record
CWE details
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Reachable Assertion
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