XWork ParameterInterceptor security bypass
| xwork-parameterinterceptor-security-bypass (46328) |  Medium 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.
References:
- Apache Struts Security Bulletin S2-003: XWork ParameterInterceptors bypass allows OGNL statement execution.
- Apache Struts Web site: Struts.
- OpenSymphony Web site: XWork - XWork Documentation.
- 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
- VUPEN/ADV-2008-3003: Apache Struts Directory Traversal and Security Bypass Vulnerabilities
- VUPEN/ADV-2008-3004: XWork ParameterInterceptors Bypass Object Manipulation 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
Reported:
Oct 14, 2008
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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.