XWork ParameterInterceptor security bypass

xwork-parameterinterceptor-security-bypass (46328) The risk level is classified as MediumMedium Risk

Description:

XWork could allow a remote attacker to bypass security restrictions, caused by an error in the ParameterInterceptor class. An attacker could exploit this vulnerability using specially-crafted OGNL (Object-Graph Navigation Language) expressions to bypass the # references to context objects and modify server-side objects.

*CVSS:

Base Score: 5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 3.7
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

Upgrade to the latest version of XWork (2.0.6 or later), available from the OpenSymphony Web site. See References.

For other distributions:
Apply the appropriate update for your system. See References.

References:

  • Apache Struts Security Bulletin S2-003: XWork ParameterInterceptors bypass allows OGNL statement execution.
  • Apache Struts Web site: Struts.
  • MSA-2011-0005: VMware vCenter Server Orchestrator Multiple Vulnerabilities.
  • OpenSymphony Web site: XWork - XWork Documentation.
  • VMWare KB Article: 1034175: Workarounds for vCenter Orchestrator Address Apache Struts Remote Code Execution Vulnerability.
  • XWork Issue Detail XW-641: XWork ParameterInterceptors bypass (OGNL statement execution).
  • BID-32101: XWork 'ParameterInterceptor' Class OGNL Security Bypass Vulnerability
  • CVE-2008-6504: ParametersInterceptor in OpenSymphony XWork 2.0.x before 2.0.6 and 2.1.x before 2.1.2, as used in Apache Struts and other products, does not properly restrict # (pound sign) references to context objects, which allows remote attackers to execute Object-Graph Navigation Language (OGNL) statements and modify server-side context objects, as demonstrated by use of a \u0023 representation for the # character.
  • SA32495: XWork "ParameterInterceptor" Security Bypass Vulnerability
  • SA32497: Apache Struts Security Bypass and Directory Traversal
  • SA43717: VMware vCenter Server Orchestrator Multiple Vulnerabilities
  • VUPEN/ADV-2008-3003: Apache Struts Directory Traversal and Security Bypass Vulnerabilities
  • VUPEN/ADV-2008-3004: XWork ParameterInterceptors Bypass Object Manipulation Vulnerability
  • VUPEN/ADV-2011-0647: VMware vCenter Orchestrator Struts Remote Code Execution Vulnerability

Platforms Affected:

  • OpenSymphony XWork 2.0
  • OpenSymphony XWork 2.0.1
  • OpenSymphony XWork 2.0.2
  • OpenSymphony XWork 2.0.3
  • OpenSymphony XWork 2.0.4
  • OpenSymphony XWork 2.0.5
  • OpenSymphony XWork 2.1
  • OpenSymphony XWork 2.1.1
  • VMware vCenter Orchestrator 4.0
  • VMware vCenter Orchestrator 4.1
  • VMware vCenter Server 4.1

Reported:

Oct 14, 2008

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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

For corrections or additions please email xforce@iss.net

Return to the main page

* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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.

About IBM Internet Security Systems

IBM Internet Security Systems is a trusted security advisor to thousands of the world's leading businesses and governments, helping to provide pre-emptive protection for networks, desktops and servers. The IBM Proventia? integrated security platform is designed to automatically protect against both known and unknown threats, helping to keep networks up and running and shield customers from online attacks before they impact business assets. IBM Internet Security Systems products and services are based on the proactive security intelligence of its X-Force? research and development team ? an unequivocal world authority in vulnerability and threat research. The IBM Internet Security Systems product line is also complemented by comprehensive Managed Security Services and Professional Security Services. For more information, visit the IBM Internet Security Systems Web site at www.iss.net or call 800-776-2362.