Vulnerability CVE-2013-4615
Published: 2013-06-21   Modified: 2013-06-22

Description:
The Canon MG3100, MG5300, MG6100, MP495, MX340, MX870, MX890, MX920, and MX922 printers allow remote attackers to cause a denial of service (device hang) via a crafted LAN_TXT24 parameter to English/pages_MacUS/cgi_lan.cgi followed by a direct request to English/pages_MacUS/lan_set_content.html. NOTE: the vendor has apparently responded by stating "Canon believes that its printers will not have to deal with unauthorized access to the network from an external location as long as the printers are used in a secured environment."

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Canon Printer DoS / Secret Disclosure
mattandreko
20.06.2013

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Canon -> Mg3100 printer 
Canon -> Mg5300 printer 
Canon -> Mg6100 printer 
Canon -> Mp340 printer 
Canon -> Mp495 printer 
Canon -> Mx870 printer 
Canon -> Mx890 printer 
Canon -> Mx920 printer 
Canon -> Mx922 printer 

 References:
https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/dos/http/canon_wireless_printer.rb
http://www.mattandreko.com/2013/06/canon-y-u-no-security.html
http://archives.neohapsis.com/archives/fulldisclosure/2013-06/0146.html
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