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TITLE:
A-shop "delfiles" Directory Traversal Vulnerability

SECUNIA ADVISORY ID:
SA26126

VERIFY ADVISORY:
http://secunia.com/advisories/26126/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
A-shop 0.x
http://secunia.com/product/14839/

DESCRIPTION:
Timq has discovered a vulnerability in A-shop, which can be exploited
by malicious users to bypass certain security restrictions.

Input passed to the "delfiles" parameter in filebrowser.asp is not
properly sanitised before being used to delete files and can be
exploited to delete arbitrary files via directory traversal attacks.

Successful exploitation requires an administrative account.

The vulnerability is confirmed in version 0.71. Prior versions may
also be affected.

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

Grant only trusted users administrative access to the application.

PROVIDED AND/OR DISCOVERED BY:
Timq

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/4198

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