Sudo Error in Processing Duplicate Environment Variables Lets Local Users Bypass Access Controls
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SecurityTracker Alert ID: 1024101 |
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SecurityTracker URL: http://securitytracker.com/id?1024101
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CVE Reference:
CVE-2010-1646
(Links to External Site)
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Date: Jun 16 2010
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Impact:
Execution of arbitrary code via local system, User access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 1.6, 1.7.2
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Description:
A vulnerability was reported in Sudo. A local user can bypass certain command execution restrictions.
The software does not handle duplicated environment variables properly.
A local user with privileges to run sudo commands can set specially crafted environment variables to bypass the secure_path restrictions and execute arbitrary commands.
Anders Kaseorg and Evan Broder of Ksplice, Inc. reported this vulnerability.
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Impact:
A local user can bypass certain command execution restrictions.
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Solution:
The vendor has issued a fix, available at:
http://www.sudo.ws/repos/sudo/rev/3057fde43cf0
http://www.sudo.ws/repos/sudo/rev/a09c6812eaec
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Vendor URL: www.sudo.ws/ (Links to External Site)
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Cause:
Access control error, Input validation error
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Underlying OS:
Linux (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Wed, 16 Jun 2010 01:44:06 +0000
Subject: sudo
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CVE-2010-1646
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