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Vulnerability Alert

CUPS Remote Code Injection Vulnerability

 
Threat Type:CWE-20: Input Validation
IntelliShield ID:33626
Version:1
First Published:2014 April 02 18:45 GMT
Last Published:2014 April 02 18:45 GMT
Port: Not available
Urgency:Unlikely Use
Credibility:Highly Credible
Severity:Mild Damage
CVSS Base:9.3 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:7.5
 
Version Summary:Common UNIX Printing System contains a vulnerability that could allow a unauthenticated, remote attacker to execute arbitrary code on a targeted system. Updates are not available.
 
 
Description
A vulnerability in Common UNIX Printing System (CUPS) could allow a unauthenticated, remote attacker to execute arbitrary code on a targeted system.

The vulnerability is due to insufficient security restrictions by the cups-filters used by the affected software. An unauthenticated, remote attacker could exploit this vulnerability by sending crafted packets to a targeted device. Processing the crafted packets could trigger the targeted device to create local queues, which the attacker could use to inject arbitrary code.

CUPS has not confirmed the vulnerability and software updates are not available.
 
Warning Indicators
CUP versions 1.4.8 and prior are affected.
 
IntelliShield Analysis
To exploit this vulnerability, an attacker would likely need access to trusted, internal networks in which the targeted device resides.
 
Vendor Announcements
Vendor announcements are not available.
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to inject and execute arbitrary code on an affected device. A successful exploit could be used to conduct further attacks.
 
Technical Information
The vulnerability is due to insufficient security restrictions by the cups-filters used by the affected software. The cups-filters have the ability to create local queues from information it extracts on the network.

An unauthenticated, remote attacker could exploit this vulnerability by sending crafted packets to a targeted device. Processing the crafted packets could trigger the targeted device to create local queues, which the attacker could use to inject arbitrary code.
 
Safeguards
Administrators are advised to contact the vendor regarding future updates and releases.

Administrators are advised to allow only trusted users to have network access.

Administrators are advised to monitor affected systems.
 
Patches/Software
Software updates are not available.
 
Alert History
 
Initial Release


Product Sets
 
The security vulnerability applies to the following combinations of products.

Primary Products:
AppleCommon Unix Printing System (CUPS) 1.4 .0, .1, .2, .3, .4, .5, .6, .7, .8

Associated Products:
N/A




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LEGAL DISCLAIMER
The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.
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