zml.cgi does not adequately validate user input, allowing for directory traversal out of the web root directory.
The perl script zml.cgi reads and parses a file on the server, executing certain Server Side Include (SSI) directives found in the file. The script accepts a CGI parameter specifying the file that should be read and parsed. The script does not adequately validate this parameter, allowing for directory traversal out of the web root directory.
Attackers may read any file readable by the web server process.
The CERT/CC is currently unaware of a practical solution to this problem.
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Updated: September 24, 2002
No statement is currently available from the vendor regarding this vulnerability.
The vendor has not provided us with any further information regarding this vulnerability.
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Group | Score | Vector
Base | N/A | N/A
Temporal | N/A | N/A
Environmental | | N/A
Thanks to Blackshell Security Advisory for reporting this vulnerability.
This document was written by Shawn Van Ittersum.
CVE IDs: | None
Severity Metric:** | 1.71
Date Public: | 2001-12-31
Date First Published: | 2002-09-26
Date Last Updated: | 2002-09-26 22:02 UTC
Document Revision: | 6