77420 : HP Multiple LaserJet Printers / Digital Senders Remote Firmware Update (RFU) Authentication Weakness Request Parsing Firmware Update Upload
Printer | http://osvdb.org/77420 | Email This | Edit Vulnerability

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Timeline

Disclosure Date
2011-12-01

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2011-4161" target="_blank">CVE</a>)</em> : The default configuration of the HP CM8060 Color MFP with Edgeline; Color LaserJet 3xxx, 4xxx, 5550, 9500, CMxxxx, CPxxxx, and Enterprise CPxxxx; Digital Sender 9200c and 9250c; LaserJet 4xxx, 5200, 90xx, Mxxxx, and Pxxxx; and LaserJet Enterprise 500 color M551, 600, M4555 MFP, and P3015 enables the Remote Firmware Update (RFU) setting, which allows remote attackers to execute arbitrary code by using a session on TCP port 9100 to upload a crafted firmware update.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS
Exploit: Exploit Public
Disclosure: Vendor Verified

Solution

Currently, there are no known upgrades or patches to correct this vulnerability. It is possible to temporarily work around the flaw by implementing the following workaround: Disable "Printer Firmware Update". This and other best practices are described in the HP-Imaging10 vendor advisory in the references section.

Products

Unknown or Incomplete

References

CVE ID: 2011-4161 (see also: NVD)
Secunia Advisory ID: 47063
Bugtraq ID: 50876 51324
Other Advisory URL: http://blog.historyofphonephreaking.org/2012/01/two-hacks-one-old-one-new-for-the-new-year.html
http://events.ccc.de/congress/2011/Fahrplan/events/4780.en.html
http://ids.cs.columbia.edu/sites/default/files/CuiPrintMeIfYouDare.pdf
http://isc.sans.org/diary/Hacking+HP+Printers+for+Fun+and+Profit/12112
News Article: http://boingboing.net/2011/12/30/printer-malware-print-a-malic.html
http://redtape.msnbc.msn.com/_news/2011/11/29/9076395-exclusive-millions-of-printers-open-to-devastating-hack-attack-researchers-say
Vendor Specific Advisory URL: http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03102449
http://h71028.www7.hp.com/enterprise/downloads/HP-Imaging10.pdf
Packet Storm: http://packetstormsecurity.org/files/112220/HP-Security-Bulletin-HPSBPI02728-SSRT100692-6.html
Mail List Post: http://seclists.org/bugtraq/2012/Apr/206
http://seclists.org/bugtraq/2012/Jan/49
http://seclists.org/bugtraq/2012/Mar/78
https://lists.immunityinc.com/pipermail/dailydave/2011-November/000378.html
Generic Exploit URL: https://www.youtube.com/watch?feature=player_embedded&v=njVv7J2azY8

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 10.0
Source: nvd.nist.gov | Generated: 2011-12-02 | Disagree?

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