Related Vulnerabilities: CVE-2011-4161

In November, 2011, a potential security vulnerability was identified with certain HP printers and HP digital senders. The vulnerability could be exploited remotely to install unauthorized printer firmware. This revision, version 6, of the Security Bulletin announces the availability of firmware updates for additional devices.

Source

Potential Security Impact:

Remote firmware update enabled by default

VULNERABILITY SUMMARY

Reference Number

CVE-2011-4161

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

Please refer to the RESOLUTION below for a list of impacted products.

BACKGROUND

CVSS 2.0 Base Metrics

Reference	Base Vector	Base Vector
CVE-2011-4161	(AV:N/AC:L/Au:N/C:C/I:C/A:C)	10.0

Information on CVSS is documented in HP Customer Notice: HPSN-2008-002.

Note: For further information on Secure Printing and Imaging please refer to http://www.hp.com/go/secureprinting

Remote Firmware Update (RFU): The Remote Firmware Update (RFU) feature is enabled by default. A firmware update can be sent remotely to port 9100 without authentication. This could allow unauthorized modification of the device firmware. The unauthorized firmware could impact the confidentiality and integrity of data sent to and received from the device. The unauthorized firmware could also cause a Denial of Service (DoS) to the device.

RESOLUTION

The following steps can be taken to avoid unauthorized firmware updates:

Update the firmware to a version that implements code signing
Disable the Remote Firmware Update

The code signing feature verifies that firmware updates are properly signed. This will prevent the installation of invalid firmware updates.

HP has provided firmware updates for impacted printers as set forth in the table below. To obtain the updated firmware, go to the HP Software and Drivers page for your product and find the firmware update from the list of available software.

Product	Recommended Action
HP LaserJet Pro 100 color MFP M175	Update to version 20111021 17 Feb 2012 or later
HP LaserJet Pro CP1025 Color Printer series	Update to version 20120130 22 Feb 2012 or later
HP LaserJet Pro P1102 Printer series	Update to version 20120130 4 Feb 2012 or later
HP LaserJet M1120 Multifunction Printer series	Update to version 20120305 22 Mar 2012 or later
HP LaserJet Pro M1136 Multifunction Printer series	Update to version 20120206 17 Feb 2012 or later
HP Color LaserJet CP1210 Printer series	Update to version 20120213 28 Feb 2012 or later
HP LaserJet Pro M1212nf Multifunction Printer series	Update to version 20120206 17 Feb 2012 or later
HP Color LaserJet CM1312 Multifunction Printer	Update to version 20120104 18 Jan 2012 or later
HP Color LaserJet CM1312nfi Multifunction Printer	Update to version 20120104 18 Jan 2012 or later
HP LaserJet M1319 Multifunction Printer series	Update to version 20120302 13 Mar 2012 or later
HP LaserJet Pro CM1415 Color Multifunction Printer	Update to version 20120216 22 Feb 2012 or later
HP LaserJet P1500 Printer series	Update to version 20120201 27 Feb 2012 or later
HP Color LaserJet CP1510 Printer series	Update to version 20120110 13 Feb 2012 or later
HP LaserJet M1522 Multifunction Printer series	Update to version 20120123 31 Jan 2012 or later
HP LaserJet Pro CP1525 Color Printer	Update to version 20111215 13 Feb 2012 or later
HP LaserJet Pro M1536 Multifunction Printer	Update to version 20111215 13 Feb 2012 or later
HP LaserJet Pro P1606dn Printer	Update to version 20120130 14 Feb 2012 or later
HP Color LaserJet CP2025	Update to version 20120105 23 Feb 2012 or later
HP LaserJet P2035 Printer series	Update to version 20120105 19 Mar 2012 or later
HP LaserJet P2055 Printer series	Update to version 20120131 9 Feb 2012 or later
HP Color LaserJet CM2320 Multifunction Printer series	Update to version 20120104 18 Jan 2012 or later
HP LaserJet 2400 Printer series	Update to version 08_210_4 13 Jan 2012 or later
HP LaserJet M2727 Multifunction Printer series	Update to version 20120123 31 Jan 2012 or later
HP Color LaserJet 2800 All-in-One Printer series	Update to version 20120307 2 Apr 2012 or later
HP Color LaserJet 3000	Update to version 46_050_1 17 Feb 2012 or later
HP LaserJet P3005	Update to version 02.150.1 14 Mar 2012 or later
HP LaserJet Enterprise P3015	Update to version 07_130_7 12 Jan 2012 or later
HP LaserJet M3027 Multifunction Printer	Update to version 48_241_2 19 Jan 2012 or later
HP LaserJet M3035 Multifunction Printer	Update to version 48_241_2 19 Jan 2012 or later
HP Color LaserJet CP3505	Update to version 03.130.2 23 Feb 2012 or later
HP Color LaserJet CP3525	Update to version 06_130_8 12 Jan 2012 or later
HP Color LaserJet CM3530	Update to version 53_171_4 19 Jan 2012 or later
HP Color LaserJet 3800	Update to version 46_050_2 17 Feb 2012 or later
HP Color LaserJet CP4005	Update to version 46_190_3 13 Jan 2012 or later
HP LaserJet P4014	Update to version 04_160_9 12 Jan 2012 or later
HP LaserJet P4015	Update to version 04_160_9 12 Jan 2012 or later
HP LaserJet 4240	Update to version 08_220_3 13 Jan 2012 or later
HP LaserJet 4250	Update to version 08_220_3 13 Jan 2012 or later
HP LaserJet 4345 Multifunction Printer	Update to version 09.270.1 16 Feb 2012 or later
HP LaserJet M4345 Multifunction Printer	Update to version 48_241_2 19 Jan 2012 or later
HP LaserJet 4350	Update to version 08_220_3 13 Jan 2012 or later
HP LaserJet P4515	Update to version 04_160_9 12 Jan 2012 or later
HP Color LaserJet Enterprise CP4525	Update to version 07_111_0 12 Jan 2012 or later
HP Color LaserJet 4700	Update to version 46_200_1 17 Feb 2012 or later
HP Color LaserJet 4730 Multifunction Printer	Update to version 46.350.1 16 Feb 2012 or later
HP Color LaserJet CM4730 Multifunction Printer	Update to version 50_221_3 19 Jan 2012 or later
HP LaserJet M5025 Multifunction Printer	Update to version 48_241_2 19 Jan 2012 or later
HP LaserJet M5035 Multifunction Printer	Update to version 48_241_2 19 Jan 2012 or later
HP LaserJet 5200L	Update to version 08_181_1 12 Jan 2012 or later
HP LaserJet 5200N	Update to version 08_181_1 12 Jan 2012 or later
HP Color LaserJet Professional CP5225 Printer series	Update to version 20111220 10 Jan 2012 or later
HP Color LaserJet 5550	Update to version 07_200_5 9 Feb 2012 or later
HP Color LaserJet CP6015	Update to version 04_151_0 12 Jan 2012 or later
HP Color LaserJet CM6030	Update to version 52_191_2 19 Jan 2012 or later
HP Color LaserJet CM6040	Update to version 52_191_2 19 Jan 2012 or later
HP CM8060 Color Multifunction Printer with Edgeline	Disable Remote Firmware Update (instructions)
HP LaserJet 9040	Update to version 08_221_5 19 Jan 2012 or later
HP LaserJet 9040 Multifunction Printer	Update to version 08_260_1 17 Feb 2012 or later
HP LaserJet M9040 Multifunction Printer	Update to version 51_191_3 19 Jan 2012 or later
HP LaserJet 9050	Update to version 08_221_5 19 Jan 2012 or later
HP LaserJet 9050 Multifunction Printer	Update to version 08_260_1 17 Feb 2012 or later
HP LaserJet M9050 Multifunction Printer	Update to version 51_191_3 19 Jan 2012 or later
HP 9200c Digital Sender	Update to version 09_270_2 17 Feb 2012 or later
HP 9250c Digital Sender	Update to version 48_231_2 19 Jan 2012 or later
HP Color LaserJet 9500	Update to version 05_020_3 2 Mar 2012 or later
HP Color LaserJet 9500 Multifunction Printer	Update to version 08.260.1 13 Feb 2012 or later

How to Disable the Remote Firmware Update (RFU)

For instructions about how to disable the RFU please refer to Configuring Remote Firmware Update on HP Printers and Multifunction Devices.

...

Third Party Security Patches: Third party security patches that are to be installed on systems running HP software products should be applied in accordance with the customer's patch management policy.

Support: For issues about implementing the recommendations of this Security Bulletin, visit http://www.hp.com/go/contacthp to learn about your HP support options.

Report: To report a potential security vulnerability with any HP supported product, send email to: hp-security-alert@hp.com.

Subscribe: To initiate a subscription to receive future HP Security Bulletin alerts via email, visit https://h41369.www4.hp.com/alerts-signup.php?lang=en&cc=US&jumpid=hpsc_profile.

Security Bulletin Archive: To view released Security Bulletins, search the HP Support Site for "security bulletin".

Software Product Category: The Software Product Category is represented in the title by the two characters following HPSB.

PI	HP Printing and Imaging
HF	HP Hardware and Firmware
GN	HP General Software

It is strongly recommended that security related information being communicated to HP be encrypted using PGP, especially exploit information.

To get the security-alert PGP key, please send an e-mail message as follows:

To: hp-security-alert@hp.com

Subject: get key

System management and security procedures must be reviewed frequently to maintain system integrity. HP is continually reviewing and enhancing the security features of software products to provide customers with current secure solutions.

"HP is broadly distributing this Security Bulletin in order to bring to the attention of users of the affected HP products the important security information contained in this Bulletin.HP recommends that all users determine the applicability of this information to their individual situations and take appropriate action.HP does not warrant that this information is necessarily accurate or complete for all user situations and, consequently, HP will not be responsible for any damages resulting from user's use or disregard of the information provided in this Bulletin.To the extent permitted by law, HP disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose, title and non-infringement."

REVISION HISTORY : Version:1 (rev.1) - 30 November 2011 Initial release; Version:2 (rev.2) - 23 December 2011 Code signing firmware available; Version:3 (rev.3) - 9 January 2012 Combined tables; Version:4 (rev.4) - 17 February 2012 Added printers, updated firmware versions; Version:5 (rev.5) - 19 March 2012 Added printers, updated firmware versions; Version:6 (rev.6) - 26 April 2012 Added printers, reformatted table; Version:7 (rev.7) - 3 July 2017 fixed or removed many broken links and site navigation processes caused by a portal upgrade

SUPPORT COMMUNICATION- SECURITY BULLETIN HPSBPI02728 SSRT100692 rev.7 - Certain HP Printers and HP Digital Senders, Remote Firmware Update Enabled by Default

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