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Mailback Mail Header Injection Vulnerability
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Secunia Advisory:
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SA18748
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Release Date:
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2006-02-07
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Last Update:
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2006-02-14
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Popularity:
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4,791 views
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Critical:
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Moderately critical
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Impact:
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Security Bypass
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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: | Mailback 1.x
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2006-0631
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Description:
coderpunk has discovered a vulnerability in Mailback, which can be exploited by malicious people to bypass certain security restrictions.
Input passed to the "subject" parameter isn't properly sanitised before being used to construct an email message. This can be exploited to inject arbitrary email headers by inserting newline characters in the parameter.
Successful exploitation allows the injecting of "Cc" or "Bcc" headers, which may allow the sending of spam messages from the server.
The vulnerability has been confirmed in mailback.pl revision 1.3. Prior versions may also be affected
Solution:
The vulnerability has been fixed in revision 1.4.
http://vc.thauvin.net/cvs/cgi/mailback/mailback.pl?view=markup&rev=1.4
Provided and/or discovered by:
coderpunk
Changelog:
2006-02-14: Added CVE reference.
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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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