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Moderately critical

ISC BIND DNS64 REQUIRE Assertion Failure Denial of Service Vulnerability

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Release Date:  2012-12-05    Views:  2,105

Secunia Advisory SA51484

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been reported in ISC BIND, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within the DNS64 IPv6 transition mechanism when handling certain queries, which can be exploited to trigger a REQUIRE assertion and crash the server via a specially crafted DNS query.

Successful exploitation requires that DNS64 is turned on.

The vulnerability is reported in versions 9.8.0 through 9.8.4 and 9.9.0 through 9.9.2.


Solution:
Update to version 9.8.4-P1 or 9.9.2-P1.

Provided and/or discovered by:
The vendor credits BlueCat Networks.

Original Advisory:
https://kb.isc.org/article/AA-00828
https://www.isc.org/software/bind/advisories/cve-2012-5688

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: ISC BIND DNS64 REQUIRE Assertion Failure Denial of Service Vulnerability

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