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ISC BIND: An error handling synthesized records could cause an assertion failure when using DNS64 with "break-dnssec yes;" (CVE-2017-3136)

Severity CVSS Published Added Modified
4 (AV:N/AC:M/Au:N/C:N/I:N/A:P) May 15, 2017 May 15, 2017 February 12, 2019

Description

A query with a specific set of characteristics could cause a server using DNS64 to encounter an assertion failure and terminate. An attacker could deliberately construct a query, enabling denial-of-service against a server if it was configured to use the DNS64 feature and other preconditions were met. Affects BIND 9.8.0 -> 9.8.8-P1, 9.9.0 -> 9.9.9-P6, 9.9.10b1->9.9.10rc1, 9.10.0 -> 9.10.4-P6, 9.10.5b1->9.10.5rc1, 9.11.0 -> 9.11.0-P3, 9.11.1b1->9.11.1rc1, 9.9.3-S1 -> 9.9.9-S8.

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References

Solution

upgrade-isc-bind-latest

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