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TITLE:
HyperBook Guestbook "data/gbconfiguration.dat" Information Disclosure

SECUNIA ADVISORY ID:
SA24392

VERIFY ADVISORY:
http://secunia.com/advisories/24392/

CRITICAL:
Moderately critical

IMPACT:
Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
HyperBook Guestbook 1.x
http://secunia.com/product/13612/

DESCRIPTION:
SaO has discovered a security issue in HyperBook Guestbook, which can
be exploited by malicious people to disclose sensitive information.

The security issue is caused due to information being stored in
data/gbconfiguration.dat inside the web root. This can be exploited
to disclose the administrator's MD5 password hash.

The security issue is confirmed in version 1.30. Other versions may
also be affected.

SOLUTION:
Restrict access to the data/gbconfiguration.dat file.

PROVIDED AND/OR DISCOVERED BY:
SaO

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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