IBM Tivoli Directory Server Zero-Byte Write Error Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1015653 |
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SecurityTracker URL: http://securitytracker.com/id/1015653
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CVE Reference:
CVE-2006-0717
(Links to External Site)
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Date: Feb 21 2006
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Impact:
Denial of service via network
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Vendor Confirmed: Yes Exploit Included: Yes
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Version(s): 4.1, 5.1, 5.2, 6.0
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Description:
A vulnerability was reported in IBM Tivoli Directory Server. A remote user can cause denial of service conditions.
A remote user can send a specially crafted request to cause the target service to write to a zero-byte length buffer and crash.
The flaw can be triggered with the following command using the ProtoVer Sample LDAP test suite (http://www.gleg.net/protover_ldap_sample.shtml):
./run.py localhost 389 2532 1
Evgeny Legerov on gleg.net discovered this vulnerability.
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Impact:
A remote user can cause the target service to crash.
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Solution:
No solution was available at the time of this entry. IBM has developed a fix which will be available within approximately one week after testing is completed.
The vendor's advisory is available at:
http://www-1.ibm.com/support/docview.wss?uid=swg21230820
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Vendor URL: www-1.ibm.com/support/docview.wss?uid=swg21230820 (Links to External Site)
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Cause:
Exception handling error
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Underlying OS:
Linux (Any), UNIX (AIX), UNIX (HP/UX), UNIX (Solaris - SunOS), Windows (2000)
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Message History:
None.
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Source Message Contents
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Date: Tue, 21 Feb 2006 09:18:00 -0500
Subject: Malformed LDAP request will abnormally terminate the IBM Tivoli Directory Server.
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http://www-1.ibm.com/support/docview.wss?uid=swg21230820
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