DeluxeBB SQL Injection and File InclusionVulnerabilities

Advisory Text :

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Secunia Research 14/06/2006

- DeluxeBB SQL Injection and File Inclusion Vulnerabilities -

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Table of Contents

Affected Software....................................................1
Severity.............................................................2
Description of Vulnerabilities.......................................3
Solution.............................................................4
Time Table...........................................................5
Credits..............................................................6
References...........................................................7
About Secunia........................................................8
Verification.........................................................9

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1) Affected Software

DeluxeBB 1.06

Other versions may also be affected.

Product link:
http://www.deluxebb.com/

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2) Severity

Rating: Highly critical
Impact: System access, manipulation of data
Where: From remote

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3) Description of Vulnerabilities

Secunia Research has discovered some vulnerabilities in DeluxeBB,
which can be exploited by malicious people to conduct SQL injection
attacks and compromise a vulnerable system.

1) Input passed to the "templatefolder" parameter in various scripts
isn't properly verified, before it is used to include files. This can
be exploited to include arbitrary files from external and local
resources.

Examples:
http://[host]/templates/deluxe/postreply.php?templatefolder=[file]
http://[host]/templates/deluxe/posting.php?templatefolder=[file]
http://[host]/templates/deluxe/pm/newpm.php?templatefolder=[file]
http://[host]/templates/default/postreply.php?templatefolder=[file]
http://[host]/templates/default/posting.php?templatefolder=[file]
http://[host]/templates/default/pm/newpm.php?templatefolder=[file]

Successful exploitation requires that "register_globals" is enabled.

2) Input passed to the "hideemail", "languagex", "xthetimeoffset",
and "xthetimeformat" parameters when registering for an account
isn't properly sanitised before being used in a SQL query. This can
be exploited to manipulate SQL queries by injecting arbitrary SQL
code.

Successful exploitation requires that "magic_quotes_gpc" is disabled.

The vulnerabilities have been confirmed in version 1.06. Other
versions may also be affected.

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4) Solution

Edit the source code to ensure that input is properly sanitised and
verified.

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5) Time Table

26/05/2006 - Initial vendor notification.
14/06/2006 - Public disclosure.

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6) Credits

Discovered by Andreas Sandblad, Secunia Research.

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7) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2006-2914 (file inclusion) and CVE-2006-2915 (SQL injection)
for the vulnerabilities.

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8) About Secunia

Secunia collects, validates, assesses, and writes advisories regarding
all the latest software vulnerabilities disclosed to the public. These
advisories are gathered in a publicly available database at the
Secunia website:

http://secunia.com/

Secunia offers services to our customers enabling them to receive all
relevant vulnerability information to their specific system
configuration.

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/secunia_security_advisories/

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9) Verification

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2006-44/advisory/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

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DeluxeBB SQL Injection and File InclusionVulnerabilities