SpamAssassin handle_user() Bug Lets Remote Users Execute Arbitrary Commands
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SecurityTracker Alert ID: 1016230
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SecurityTracker URL: http://securitytracker.com/id?1016230
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CVE Reference: CVE-2006-2447
(Links to External Site)
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Date: Jun 6 2006
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Impact: 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): prior to 3.1.3
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Description: A vulnerability was reported in SpamAssassin. A remote user can execute arbitrary commands on the target system in certain configurations.
If spamd is run with the "--vpopmail" and "-P" options, a remote user can send a specially crafted input message to execute arbitrary
commands with the privileges of the target user.
The flaw resides in the handle_user() function in 'spamd/spamd.raw'.
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Impact: A remote user can execute arbitrary commands with the privileges of the target user.
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Solution: The vendor has issued a fixed version (3.1.3), available at:
http://spamassassin.apache.org/downloads.cgi
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Vendor URL: spamassassin.apache.org/ (Links to External Site)
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Cause: Input validation 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: Tue, 6 Jun 2006 08:21:49 -0400
Subject: SpamAssassin vulnerability
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CVE-2006-2447
3.1.3 fixes a remote code execution vulnerability if spamd is run with the
"--vpopmail" and "-P" options. If either/both of those options are not
used, there is no vulnerability. There was also a fix for the userstate
directory and prefs file not being created.
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