(HP Issues Fix for HP-UX) BIND Generates Predictable Query IDs That May Facilitate Cache Poisoning Attacks
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SecurityTracker Alert ID: 1018506 |
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SecurityTracker URL: http://securitytracker.com/id/1018506
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CVE Reference:
CVE-2007-2926
(Links to External Site)
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Date: Aug 4 2007
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Impact:
Modification of system information
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 9.0.x, 9.1.x, 9.2.0, 9.2.1, 9.2.2, 9.2.3, 9.2.4, 9.2.5, 9.2.6, 9.2.7, 9.2.8, 9.3.0, 9.3.1, 9.3.2, 9.3.3, 9.3.4, 9.4.0, 9.4.1, 9.5.0a1, 9.5.0a2, 9.5.0a3, 9.5.0a4, 9.5.0a5
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Description:
A vulnerability was reported in BIND. A remote user can conduct cache poisoning attacks.
The system generates query IDs that have a 1 out of 8 chance of being guessed for half of the query IDs. A remote user may be able to exploit this to conduct cache poisoning attacks.
Only outgoing queries are affected.
Amit Klein from Trusteer (www.trusteer.com) discovered this vulnerability.
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Impact:
A remote user can conduct cache poisoning attacks.
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Solution:
HP has issued binary files to resolve the vulnerability (as an interim measure until patches and upgrades are available).
The HP advisory is available at:
https://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c01123426
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Vendor URL: www.isc.org/ (Links to External Site)
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Cause:
Randomization 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: Sat, 4 Aug 2007 14:16:28 -0400
Subject: HPSBUX02251 SSRT071449 rev.1 - HP-UX Running BIND, Remote DNS Cache Poisoning
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https://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c01123426
CVE-2007-2926
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