[SA21574] Mambo bigAPE-Backup Component File Inclusion Vulnerability

TITLE:
Mambo bigAPE-Backup Component File Inclusion Vulnerability

SECUNIA ADVISORY ID:
SA21574

VERIFY ADVISORY:
http://secunia.com/advisories/21574/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
bigAPE-Backup 1.x (component for Mambo)
http://secunia.com/product/11615/

DESCRIPTION:
mdx has discovered a vulnerability within bigAPE-Backup, which can be
exploited by malicious people to compromise a vulnerable system.

Input passed to the "mosConfig_absolute_path" parameter in
components/com_babackup/classes/Tar.php is not properly verified
before being used to include files. This can be exploited to include
arbitrary files from local or external resources.

The vulnerability has been confirmed in version 1.1. Other versions
may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly verified.

PROVIDED AND/OR DISCOVERED BY:
mdx

About:
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vulnerabilities.

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