(Citrix Issues Fix for XenServer) E2fsprogs Buffer Overflow in libext2fs Lets Local Users Gain Elevated Privileges
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SecurityTracker Alert ID: 1021243 |
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SecurityTracker URL: http://securitytracker.com/id/1021243
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CVE Reference:
CVE-2007-5497
(Links to External Site)
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Date: Nov 19 2008
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Impact:
Root access via local system, User access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): prior to 4.1.0
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Description:
A vulnerability was reported in E2fsprogs. A local user can obtain elevated privileges on the target system. Citrix XenServer is affected.
A local user can modify a filesystem so that when a target user or application executes libext2fs, a heap overflow will occur and arbitrary arbitrary code will be executed. The code will run with the privileges of the target user or application.
McAfee AVERT Research group reported this vulnerability in December 2007.
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Impact:
A local user can obtain elevated privileges on the target system.
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Solution:
Citrix has issued a fix for XenServer, which is affected by this vulnerability.
XenServer 4.1.0:
http://support.citrix.com/article/CTX119081
XenServer 4.0.1:
http://support.citrix.com/article/CTX119080
The Citrix advisory is available at:
http://support.citrix.com/article/CTX118766
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Vendor URL: support.citrix.com/article/CTX118766 (Links to External Site)
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Cause:
Boundary 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: Wed, 19 Nov 2008 06:41:41 -0500
Subject: Citrix XenServer
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http://support.citrix.com/article/CTX118766
CVE-2007-5497
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