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@Mail Webmail Image Tag Script Insertion Vulnerability
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Secunia Advisory:
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SA18874
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Release Date:
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2006-02-16
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Last Update:
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2006-02-27
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Popularity:
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6,190 views
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Critical:
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Moderately critical
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Impact:
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Cross Site Scripting
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | @Mail 4.x
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| CVE reference: | CVE-2006-0842
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Description:
Thomas Pollet has discovered a vulnerability in @Mail, which can be exploited by malicious people to conduct script insertion attacks.
The vulnerability is cause due to missing sanitisation of email messages that contain HTML image tags with "javascript:" URLs that has "	" in the middle. This can be exploited to execute arbitrary JavaScript code in the context of the user's session.
Example:
<img src="java	script:[code]">
Successful exploitation requires that the user views images in an email message.
The vulnerability has been confirmed in version 4.3. Other versions may also be affected.
Solution:
Filter potential malicious email messages with an email filtering gateway.
Provided and/or discovered by:
Thomas Pollet
Changelog:
2006-02-27: 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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