Sudo Race Condition in Processing Command Pathnames Lets Local Users Execute Arbitrary Commands
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SecurityTracker Alert ID: 1014241 |
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SecurityTracker URL: http://securitytracker.com/id/1014241
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CVE Reference:
CAN-2005-1993
(Links to External Site)
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Updated: Jun 29 2005
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Original Entry Date: Jun 20 2005
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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 Exploit Included: Yes
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Version(s): 1.3.1 up to and including 1.6.8p8
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Description:
A vulnerability was reported in sudo. A local user can execute arbitrary commands.
In a certain configuration, a local user can exploit a race condition to execute arbitrary commands on the target system. If there is a sudoers 'ALL' entry that follows the local user's sudoers entry, then the flaw can be exploited.
The vendor credits Charles Morris with reporting this vulnerability.
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Impact:
A local user can execute arbitrary commands in certain cases.
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Solution:
The vendor has issued a fixed version (1.6.8p9), available at:
http://www.sudo.ws/sudo/download.html
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Vendor URL: www.sudo.ws/sudo/alerts/path_race.html (Links to External Site)
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Cause:
Access control error, State error
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Underlying OS:
Linux (Any), UNIX (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: Mon, 20 Jun 2005 00:24:34 -0400
Subject: http://www.sudo.ws/sudo/alerts/path_race.html
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> A race condition in Sudo's command pathname handling prior to Sudo version 1.6.8p9
> that could allow a user with Sudo privileges to run arbitrary commands.
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