ZH2003-2SA (security advisory): QShop priviledge escalation

Published: 09/07/2003

Released: 09/07/2003

Name: QShop priviledge escalation

Affected Systems: QShop v2.5 (and older versions?)

Issue: Remote attackers can obtain full access to the remote system

Author: G00db0y (at) zone-h (dot) org [email concealed]

Description

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Zone-h Security Team has discovered a serious security flaw in QShop v2.5

(and older versions?). This storefront system allows remote

administration for an online shopping system. The remote administration

usually is in the directory /qshop/admin.

Details

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Q-Shop is an ASP shopping cart / storefront system that covers all the

needs for ecommerce web sites. Q-Shop is not just a shopping cart but a

full online shop system including web based shop administration.

In the remote administration there is a script that allows the

administrator to add images, text etc. on the webserver. This page is by

default located at: /qshop/admin/upload.htm . This page is reachable

without authentication. Using this sample upload script it is possible

for a remote attacker to upload files like ntdaddy.asp, cmd.asp,

explore.asp on the webserver gaining full access to the webserver.

Solution:

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The vendor has been contacted and a patch is not yet produced

Suggestions:

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Delete the upload procedure.

G00db0y - www.zone-h.org admin

Original advisory: http://www.zone-h.org/en/advisories/read/id=2654/

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