(HP Issues Fix for HP-UX) BIND NULL rdata Field Processing Flaw Lets Remote Users Deny Service and Obtain Potentially Sensitive Information
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SecurityTracker Alert ID: 1027218 |
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SecurityTracker URL: http://securitytracker.com/id/1027218
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CVE Reference:
CVE-2012-1667
(Links to External Site)
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Date: Jul 3 2012
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Impact:
Denial of service via network, Disclosure of system information
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 9.0.x - 9.6.x, 9.4-ESV - 9.4-ESV-R5-P1, 9.6-ESV - 9.6-ESV-R7, 9.7.0 - 9.7.6, 9.8.0 - 9.8.3, 9.9.0 - 9.9.1
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Description:
A vulnerability was reported in BIND. A remote user can cause denial of service conditions. A remote user can obtain potentially sensitive information.
When a DNS resource record rdata field is zero length, the server may crash or disclose potentially sensitive information.
On recursive servers, the server may crash or disclose some portion of memory.
On secondary servers, the server may crash on restart after transferring a zone containing affected records.
On master servers, the server may corrupt zone data if the zone option "auto-dnssec" is set to "maintain".
Dan Luther, Level3 Communications, reported this vulnerability.
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Impact:
A remote user can cause denial of service conditions.
A remote user can obtain potentially sensitive information.
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Solution:
HP has issued a fix.
The HP advisory is available at:
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03388901
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Vendor URL: www.isc.org/software/bind/advisories/cve-2012-1667 (Links to External Site)
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Cause:
Access control error, State error
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Underlying OS:
UNIX (HP/UX)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Tue, 03 Jul 2012 20:17:27 +0000
Subject: HPSBUX02795 SSRT100878 rev.1 - HP-UX Running BIND, Remote Denial of Service (DoS)
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http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03388901
CVE-2012-1667
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