Title: @Mail Compose.PL Directory Traversal Vulnerability
Severity: CRITICAL
Description:
@Mail is a web-based application used to access email via a web page or wireless device. It is written in Perl.
@Mail is prone to a directory-traversal vulnerability. The application fails to properly sanitize user-supplied input to the 'unique' parameter of 'compose.pl'.
The problem occurs during the attachment-upload process. Through manipulation of the 'unique' parameter, an attacker can exploit this issue to upload a file to an arbitrary location or overwrite an existing file with attacker-supplied data, all in the context of the webserver process.
Successful exploitation may facilitate a compromise of the underlying system; other attacks are also possible.
This issue is reported to affect @Mail installations on Microsoft Windows only. Note that the default installation of Apache on Microsoft Windows is run with SYSTEM privileges, thus elevating the impact of this issue.
Affected Products:
- @Mail @Mail 4.3
References:
- @mail: @Mail v4.3 Windows attachment issue
- Secunia: @Mail Webmail Attachment Upload Directory Traversal
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