Security readout for executives and security teams
CVE-2012-3817 is a remote denial-of-service flaw in older ISC BIND releases. When DNSSEC validation is enabled, many queries can trigger an assertion failure and cause the DNS daemon to exit, interrupting DNS service for dependent users and systems. Exposure is most likely on internet-facing recursive or validating DNS servers running the listed older BIND versions with DNSSEC validation enabled. Systems not running BIND, running fixed builds, or not using DNSSEC validation are not shown as affected by the supplied sources. Treat as high priority where legacy BIND provides production DNS resolution. A successful attack can take down DNS service and disrupt applications, users, and dependent infrastructure. Environments without affected BIND versions have lower urgency. Mitigation focus: Upgrade BIND beyond the fixed release thresholds named for each affected branch.; Check ISC and operating-system vendor advisories for supported package updates.; Prioritize externally reachable validating resolvers and critical DNS infrastructure..
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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CVE-2012-3817 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.isc.org/article/AA-00729CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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