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Secunia Security Advisory 51969

Secunia Security Advisory 51969
Posted Jan 25, 2013
Authored by Secunia | Site secunia.com

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

tags | advisory, denial of service
SHA-256 | 9c6556bca23c048f0b21f2cc4a53b48db77f739dc15c918270eb7bb250f3f08c

Secunia Security Advisory 51969

Change Mirror Download
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The final version of the CSI 6.0 has been released.
Find out why this is not just another Patch Management solution: http://secunia.com/blog/325/

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TITLE:
ISC BIND AAAA Record Lookup Handling Assertion Failure Vulnerability

SECUNIA ADVISORY ID:
SA51969

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/51969/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=51969

RELEASE DATE:
2013-01-25

DISCUSS ADVISORY:
http://secunia.com/advisories/51969/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)

http://secunia.com/advisories/51969/

ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=51969

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

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 when remapping A records
into AAAA records while handling AAAA record lookups for an A record
rewrite rule in a Response Policy Zone (RPZ). This can be exploited
to trigger an assertion failure and terminate the named process.

Successful exploitation requires that both DNS64 and Response Policy
Zones are configured and that A rewrite rules are maintained but not
AAAA rewrite rules.

The vulnerability is reported in versions 9.8.0 through 9.8.4-P1 and
9.9.0 through 9.9.2-P1.

SOLUTION:
As a workaround ensure that the RPZ contains a AAAA rewrite rule for
every A rewrite rule. The vulnerability will be fixed in a beta
version scheduled to be released on January 24, 2013.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Pories Ediansyah, Institut Teknologi Bandung.

ORIGINAL ADVISORY:
http://www.isc.org/software/bind/advisories/cve-2012-5689
https://kb.isc.org/article/AA-00855

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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