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TITLE:
netMailshar Professional Two Vulnerabilities

SECUNIA ADVISORY ID:
SA15038

VERIFY ADVISORY:
http://secunia.com/advisories/15038/

CRITICAL:
Moderately critical

IMPACT:
Exposure of system information, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
netMailshare Professional 4.x
http://secunia.com/product/4948/

DESCRIPTION:
Dr_insane has reported a vulnerability and a weakness in netMailshar
Professional, which can be exploited by malicious people to disclose
sensitive information and identify valid user accounts.

1) An input validation error in the Webmail service (port 8003) can
be exploited to disclose the content of arbitrary files via directory
traversal attacks.

2) The Webmail service returns different error messages depending on
if a certain username is valid or not.

The vulnerability and the weakness have been reported in version 4.0
(build 15). Other versions may also be affected.

SOLUTION:
Restrict access to the Webmail service.

PROVIDED AND/OR DISCOVERED BY:
Dr_insane

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About:
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everybody keeping their systems up to date against the latest
vulnerabilities.

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