IBM WebSphere Application Server host header denial of service
| websphere-hostheader-dos (45993) |  Medium Risk |
Description:
IBM WebSphere Application Server is vulnerable to a denial of service, caused by an error when handling inbound HTTP requests. By sending an overly long host header, a remote attacker could cause an 0C4 abend in the controller resulting in a hung server.
*CVSS:
| Base Score: | 7.8 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Complete |
| Temporal Score: | 5.8 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Refer to IBM PK69371 for patch, upgrade or suggested workaround information. See References.
References:
- IBM PK69371: A HOST HEADER THAT IS LONGER THAN 256 BYTES CAUSES STORAGE OVERLAY THAT LEADS TO AN 0C4 ABEND IN WEBSPHERE CONTROLLER..
- IBM Support & downloads: Fix list for WebSphere Application Server Version 6.0.2.
- IBM WebSphere Web site: WebSphere.
- BID-31839: IBM WebSphere Application Server Denial of Service And Security Bypass Vulnerabilities
- CVE-2008-4678: The HTTP_Request_Parser method in the HTTP Transport component in IBM WebSphere Application Server (WAS) 6.0.2 before 6.0.2.31 allows remote attackers to cause a denial of service (controller 0C4 abend and application hang) via a long HTTP Host header, related to storage overlay on the stack and a parse failure.
- SA32296: IBM WebSphere Application Server Multiple Vulnerabilities
- VUPEN/ADV-2008-2871: WebSphere Application Server Security Bypass and DoS Vulnerabilities
Platforms Affected:
- IBM WebSphere Application Server 6.0.1
Reported:
Aug 06, 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.