BIND DNSSEC Validation Cache Failure Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1027296 |
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SecurityTracker URL: http://securitytracker.com/id/1027296
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CVE Reference:
CVE-2012-3817
(Links to External Site)
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Date: Jul 25 2012
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Impact:
Denial of service via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 9.6-ESV-R1 through 9.6-ESV-R7-P1; 9.7.1 through 9.7.6-P1; 9.8.0 through 9.8.3-P1; 9.9.0 through 9.9.1-P1
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Description:
A vulnerability was reported in BIND. A remote user can cause denial of service conditions.
On systems configured for DNSSEC validation, a remote user can cause the cache of failing queries to be used before fully initialized, triggering an assertion failure.
Einar Lonn of IIS.se reported this vulnerability.
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Impact:
A remote user can cause the target system to crash.
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Solution:
The vendor has issued a fix (9.9.1-P2, 9.8.3-P2, 9.7.6-P2, 9.6-ESV-R7-P2).
The vendor's advisory is available at:
https://kb.isc.org/article/AA-00729
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Vendor URL: kb.isc.org/article/AA-00729 (Links to External Site)
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Cause:
State error
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Underlying OS:
Linux (Any), UNIX (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Wed, 25 Jul 2012 21:49:00 +0000
Subject: ISC BIND
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https://kb.isc.org/article/AA-00729
CVE-2012-3817
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