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ISC BIND: BIND -- Server Lockup Upon IXFR or DDNS Update Combined With High Query Rate (CVE-2011-0414)

Severity CVSS Published Added Modified
7 (AV:N/AC:M/Au:N/C:N/I:N/A:C) February 22, 2011 October 05, 2011 November 15, 2016

Description

ISC BIND 9.7.1 through 9.7.2-P3, when configured as an authoritative server, allows remote attackers to cause a denial of service (deadlock and daemon hang) by sending a query at the time of (1) an IXFR transfer or (2) a DDNS update.

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References

Solution

dns-bind-use-single-worker-thread

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