w3m Format String Bug in Processing Certificates May Permit Remote Code Execution
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SecurityTracker Alert ID: 1017440
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SecurityTracker URL: http://securitytracker.com/id?1017440
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CVE Reference: CVE-2006-6772
(Links to External Site)
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Updated: May 20 2008
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Original Entry Date: Dec 26 2006
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Impact: Execution of arbitrary code via network, User access via network
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Exploit Included: Yes
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Version(s): 0.5.1
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Description: A vulnerability was reported in w3m. A remote user may be able to cause arbitrary code to be executed on the target user's system.
A remote user can create a specially crafted certificate that, when loaded by the target user's w3m browser, will trigger a format
string error and potentially execute arbitrary code on the target user's system.
An SSL certificate with a CN value of "%n%n%n%n%n%n"
can trigger this flaw.
The report did not confirm arbitrary code execution.
The original advisory is available at:
http://sourceforge.net/tracker/index.php?func=
detail&aid=1612792&group_id=39518&atid=425439
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Impact: A remote user can create a certificate that, when loaded by the target user's browser, may execute arbitrary code on the target user's system.
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Solution: No solution was available at the time of this entry.
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Vendor URL: w3m.sourceforge.net/ (Links to External Site)
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Cause: Input validation error, State error
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Message History:
None.
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Source Message Contents
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Date: Tue, 26 Dec 2006 01:32:50 -0500
Subject: w3m
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http://sourceforge.net/tracker/index.php?func=detail&aid=1612792&group_id=39518&atid=4254
39
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