Vulnerability Note VU#306086

MailPost vulnerable file system information disclosure via HTTP GET request

Overview

A vulnerability is reported to exist in MailPost version 5.1.1sv and possibly earlier versions that may permit a remote attacker to verify the existance of files anywhere on the local system.

I. Description

According to the ProCheckUp report, MailPost contains a vulnerability that may permit a remote attacker to verify the existance of files anywhere on the server's filesystem. By sending a malformed HTTP GET query string to the script, an attacker can determine whether or not a file is present on the target machine.

II. Impact

This information could be used to determine sensitive information about the server's environment.

III. Solution

The CERT/CC is currently unaware of a practical solution to this problem.

It may be possible to mitigate this vulnerability by modifying the information returned in error messages.

Systems Affected

Vendor	Status	Date Notified	Date Updated
MailPost	Vulnerable	3-Nov-2004

References

http://www.procheckup.com/security_info/vuln_pr0408.html

Credit

Thanks to ProCheckUp for reporting this vulnerability.

This document was written by Jason A Rafail and is based on information provided by ProCheckUp.

Other Information

Date Public:	2004-11-03
Date First Published:	2004-11-03
Date Last Updated:	2004-11-03
CERT Advisory:
CVE-ID(s):
NVD-ID(s):
US-CERT Technical Alerts:
Metric:	3.00
Document Revision:	3

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