(VMware Issues Fix for ESX Server) GNU tar GNUTYPE_NAMES Record Directory Traversal Flaw May Let Remote Users Overwrite Arbitrary Files
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SecurityTracker Alert ID: 1017779 |
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SecurityTracker URL: http://securitytracker.com/id/1017779
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CVE Reference:
CVE-2006-6097
(Links to External Site)
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Date: Mar 15 2007
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Impact:
Modification of system information, Modification of user information
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 3.0.0, 3.0.1
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Description:
A vulnerability was reported in GNU tar. A remote user can cause arbitrary files to be overwritten on the target system. VMware ESX Server is affected.
A remote user can create a specially crafted tar file containing a GNUTYPE_NAMES record with a symbolic link. When extracted by the target user, the file will trigger a flaw in the extract_archive() function in 'extract.c' and the extract_mangle() function in 'mangle.c' and potentially overwrite arbitrary files.
Teemu Salmela reported this vulnerability.
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Impact:
A remote user can cause arbitrary files to be overwritten on the target system.
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Solution:
VMware has issued a fix for ESX Server, which is affected by this vulnerability (Patch ESX-5031800 for ESX Server 3.0.1, Patch ESX-3003211 for ESX Server 3.0.0).
The VMware advisories are available at:
http://kb.vmware.com/vmtnkb/search.do?cmd=displayKC&docType=kc&externalId=5031800&sliceId=SAL_Public&dialogID=13061920
http://kb.vmware.com/vmtnkb/search.do?cmd=displayKC&docType=kc&externalId=3003211&sliceId=SAL_Public&dialogID=13061920
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Cause:
Input validation error
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Underlying OS:
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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: Thu, 15 Mar 2007 17:02:50 -0500
Subject: VMWare
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http://kb.vmware.com/vmtnkb/search.do?cmd=displayKC&docType=kc&externalId=5031800&sliceId=SAL_Public&dialogID=13061920&stateId=0%200%2013065606&doctag=Author,%20KB%20Article
CVE-2006-6097
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