(VMware Issues Fix for ESX Server) Gzip Bugs in Expanding Archives Let Remote Users Cause Denial of Service Conditions or Arbitrary Code Execution
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SecurityTracker Alert ID: 1017780 |
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SecurityTracker URL: http://securitytracker.com/id/1017780
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CVE Reference:
CVE-2006-4334, CVE-2006-4335, CVE-2006-4336, CVE-2006-4337, CVE-2006-4338
(Links to External Site)
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Date: Mar 16 2007
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Impact:
Denial of service via network, Execution of arbitrary code via network, User access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 3.0.1
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Description:
A vulnerability was reported in Gzip. A remote user can cause arbitrary code to be executed on the target user's system. VMware ESX Server is affected.
A remote user can create a specially crafted archive that, when expanded by the target user or application, will trigger a buffer overflow and execute arbitrary code on the target system. The code will run with the privileges of the target user or application.
A specially crafted archive can also trigger a NULL pointer dereference or cause gzip to enter an infinite loop.
Tavis Ormandy of the Google Security Team discovered these vulnerabilities.
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Impact:
A remote user can create an archive that, when processed by the target user or application, will execute arbitrary code on the target system or cause gzip to crash or hang.
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Solution:
VMware has issued a fix (Patch ESX-5885387) for VMware ESX Server 3.0.1, which is affected by this gzip vulnerability.
The VMware advisory is available at:
http://kb.vmware.com/vmtnkb/search.do?cmd=displayKC&docType=kc&externalId=5885387&sliceId=SAL_Public&dialogID=13061920
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Cause:
Boundary error, State 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 17:04:41 -0500
Subject: VMWare
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http://kb.vmware.com/vmtnkb/search.do?cmd=displayKC&docType=kc&externalId=5885387&sliceId=SAL_Public&dialogID=13061920&stateId=0%200%2013065606&doctag=Author,%20KB%20Article
CVE-2006-4334, CVE-2006-4335, CVE-2006-4336, CVE-2006-4337, and CVE-2006-4338
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