Community Builder Enhanced component for Joomla! file upload

joomla-cbe-file-upload (62376) The risk level is classified as MediumMedium Risk

Description:

The Community Builder Enhanced component for Joomla! could allow a remote attacker to upload arbitrary files, caused by the improper validation of file extensions. By sending a specially-crafted HTTP request, a remote attacker could exploit this vulnerability to upload a malicious PHP script, which could allow the attacker to execute arbitrary PHP code on the vulnerable system.

*CVSS:

Base Score: 6
  Access Vector: Network
  Access Complexity: Medium
  Authentication: Single
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 4.4
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of Community Builder Enhanced component for Joomla! (1.4.11 or later), available from the Joomla-CBE Web site. See References.

References:

  • Joomla-CBE Web site: Community Builder Enhanced component for Joomla!.
  • Offensive Security Exploit Database [10-09-2010]: Joomla Community Builder Enhenced (CBE) Component LFI/RCE Vulnerability.
  • BID-43873: Joomla Community Builder Enhenced Local File Include and Arbitrary File Upload Vulnerabilities
  • CVE-2010-5280: Directory traversal vulnerability in the Community Builder Enhanced (CBE) (com_cbe) component 1.4.8, 1.4.9, and 1.4.10 for Joomla! allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the tabname parameter in a userProfile action to index.php. NOTE: this can be leveraged to execute arbitrary code by using the file upload feature.
  • SA41741: Joomla! Community Builder Enhanced Component tabname Local File Inclusion Vulnerability

Platforms Affected:

  • Joomla! Joomla!
  • Joomla-CBE Community Builder Enhanced component for Joomla! 1.4.10
  • Joomla-CBE Community Builder Enhanced component for Joomla! 1.4.8
  • Joomla-CBE Community Builder Enhanced component for Joomla! 1.4.9

Reported:

Oct 09, 2010

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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