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w3m Certificate Handling Format String Vulnerability
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Secunia Advisory:
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SA23492
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Release Date:
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2006-12-26
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Last Update:
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2007-06-11
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Popularity:
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7,492 views
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | w3m 0.x
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| CVE reference: | CVE-2006-6772
CVE-2007-3125
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Description:
A vulnerability has been reported in w3m, which potentially can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a format string error when handling SSL certificates and can be exploited via a specially crafted SSL certificate containing format specifiers in the "CN" field.
Successful exploitation may allow execution of arbitrary code when e.g. visiting a malicious website, but requires that the application is running with either the "-dump" or "-backend" option.
The vulnerability is reported in version 0.5.1. Other versions may also be affected.
Solution:
Update to version 0.5.2.
Provided and/or discovered by:
Reported by an anonymous person.
Changelog:
2007-01-02: Added CVE reference.
2007-06-05: Updated "Solution" section. Added link to "Original Advisory" section.
2007-06-11: Added CVE reference.
Original Advisory:
http://w3m.cvs.sourceforge.net/*checkout*/w3m/w3m/NEWS?revision=1.79
http://sourceforge.net/tracker/index....92&group_id=39518&atid=425439
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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