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PHPMailer "Data()" Denial of Service Vulnerability
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Secunia Advisory:
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SA15543
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Release Date:
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2005-05-31
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Last Update:
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2005-07-11
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Popularity:
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7,919 views
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Critical:
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Less critical
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Impact:
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DoS
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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: | PHPMailer 1.x
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| CVE reference: | CVE-2005-1807
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Description:
Mariano Nuñez Di Croce has reported a vulnerability in PHPMailer, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error in the processing of overly long headers in the "Data()" function in "class.smtp.php". This can be exploited to consume a large amount of CPU and memory resources on a vulnerable server via an application using the vulnerable mail library.
The vulnerability has been reported in version 1.7.2. Other versions may also be affected.
Solution:
Update to version 1.73.
http://sourceforge.net/project/showfiles.php?group_id=26031
Provided and/or discovered by:
Mariano Nuñez Di Croce, CYBSEC S.A.
Changelog:
2005-06-02: Added CVE reference.
2005-07-11: New version released. Updated "Solution" section.
Original Advisory:
http://www.cybsec.com/vuln/PHPMailer-DOS.pdf
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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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