HP LaserJet Professional printer telnet debug shell vulnerability

Overview

Certain HP LaserJet Professional printers contain a telnet debug shell which could allow a remote attacker to gain unauthorized access to data.

Description

Certain HP LaserJet Professional printers contain a telnet debug shell which could allow a remote attacker to gain unauthorized access to data.

For additional vulnerability information and a list of affected devices see HP Security Bulletin HPSBPI02851 SSRT101078.

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Impact

A remote unauthenticated attacker can connect to the telnet debug shell and gain unauthorized access to data.

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Solution

Update

HP has provided updated printer firmware to resolve this issue. Firmware download information can be found in HP Security Bulletin HPSBPI02851 SSRT101078.

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Restrict access

As a general good security practice, only allow connections from trusted hosts and networks.

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Vendor Information

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Hewlett-Packard Company Affected

Notified: January 09, 2013 Updated: March 08, 2013

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.

Vendor References

• <https://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03684249&gt;

CVSS Metrics

Group	Score	Vector
Base	8.8	AV:N/AC:M/Au:N/C:N/I:C/A:C
Temporal	6.2	E:POC/RL:OF/RC:UC
Environmental	1.6	CDP:L/TD:L/CR:ND/IR:ND/AR:ND

References

<https://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03684249&gt;

Acknowledgements

Thanks to Christoph von Wittich of Hentschke Bau GmbH for reporting this vulnerability.

This document was written by Michael Orlando.

Other Information

CVE IDs:	CVE-2012-5215
Date Public:	2013-03-06 Date First Published: