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Secunia Research 17/03/2010
- Quicksilver Forums Backup Information Disclosure -
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Table of Contents
Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10
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1) Affected Software
* Quicksilver Forums 1.4.2
* PowerDNS Administrator 1.1.8
* QSF Portal 1.4.5
NOTE: Other versions may also be affected.
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2) Severity
Rating: Moderately critical
Impact: Exposure of sensitive information
Where: Remote
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3) Vendor's Description of Software
"Quicksilver Forums is a fast, secure, powerful PHP/MySQL based forum
script.".
Product Link:
http://www.quicksilverforums.com/
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4) Description of Vulnerability
Secunia Research has discovered a security issue in Quicksilver
Forums, which can be exploited by malicious people to disclose
potentially sensitive information.
The database backup functionality stores the database backup with a
semi-predictable file name inside the web root. This can be exploited
to download the backup by guessing the file name.
NOTE: Additionally, database backup files are changed to world read-
and writable access permissions.
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5) Solution
Do not use the database backup functionality. Restrict access to
existing backup files.
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6) Time Table
24/02/2010 - Vendor of QSF Portal and PowerDNS Administrator notified.
04/03/2010 - Vendor of QSF Portal and PowerDNS Administrator notified
again.
10/03/2010 - Vendor of Quicksilver Forums notified.
12/03/2010 - Vendor of Quicksilver Forums responds.
17/03/2010 - Public disclosure.
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7) Credits
Discovered by Secunia Research.
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8) References
The Common Vulnerabilities and Exposures (CVE) project has not yet
assigned a CVE identifier for the vulnerability.
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9) About Secunia
Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:
http://secunia.com/advisories/business_solutions/
Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private
individuals, who are interested in or concerned about IT-security.
http://secunia.com/advisories/
Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the
security and reliability of software in general:
http://secunia.com/secunia_research/
Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:
http://secunia.com/corporate/jobs/
Secunia offers a FREE mailing list called Secunia Security Advisories:
http://secunia.com/advisories/mailing_lists/
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10) Verification
Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2010-39/
Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/
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