IBM WebSphere Application Server XML digital signature security bypass
| websphere-xml-signature-sec-bypass (49534) |  Medium Risk |
Description:
IBM WebSphere Application Server could allow a remote attacker to bypass security restrictions, caused by a weakness in the HMAC-SHA1 algorithm when JAX-RPC and JAX-WS Web services have WS-Security enabled and is used in conjunction with secure conversation and Kerberos message protection. By sending Web Services messages that do not follow XML digital signature best practices but satisfy quality of service policy requirements, a remote attacker could exploit this vulnerability to bypass security restrictions and possibly launch further attacks against the system.
Note: Systems using asymmetric key digital signature such as X.509 message protection are not affected and exposure to exploitation is reduced if the messages are encrypted during transmission either at the message level or at the transport level.IBM3
*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:
For WebSphere Application Server 6.0:
Apply the latest Fix Pack (6.0.2.35 or later) or APAR PK80596. See References.
For WebSphere Application Server 6.1:
Apply the latest Fix Pack (6.1.0.25 or later) or APAR PK80596. See References.
For Web Services Feature Pack for WebSphere Application Server 6.1:
Apply the latest Fix Pack (6.1.0.25 or later) or APAR PK80627. See References.
For WebSphere Application Server 7.0:
Apply the latest Fix Pack (7.0.0.3 or later) or APAR PK80596. See References.
References:
- IBM Fix Pack 6.0.2.35: Recommended fixes for WebSphere Application Server.
- IBM Fix Pack 6.1.0.25: Recommended fixes for WebSphere Application Server.
- IBM Fix Pack 7.0.0.3: Recommended fixes for WebSphere Application Server.
- IBM Web Services Feature Pack Fix Pack 6.1.0.25: Fix List for Web Services Feature Pack for WebSphere Application Server V6.1.
- BID-34506: IBM WebSphere Application Server XML Digital Signature Unspecified Security Vulnerability
- CVE-2009-1174: The Web Services Security component in IBM WebSphere Application Server (WAS) 6.0.2 before 6.0.2.35 and 7.0 before 7.0.0.3 has an unspecified security problem in the XML digital-signature specification, which has unknown impact and attack vectors.
- SA34461: IBM WebSphere Application Server Multiple Vulnerabilities
- SA35301: IBM WebSphere Application Server Multiple Vulnerabilities
- VUPEN/ADV-2009-1464: IBM WebSphere Application Server Information Disclosure Vulnerabilities
Platforms Affected:
- IBM WebSphere Application Server 6.0
- IBM WebSphere Application Server 6.1.0
- IBM WebSphere Application Server 7.0
Reported:
Jun 16, 2009
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* 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.