Vulnerability Description
IBM Web Application Firewall, as used on the G400 IPS-G400-IB-1 and GX4004 IPS-GX4004-IB-2 appliances with update 31.030, does not properly handle query strings with multiple instances of the same parameter, which allows remote attackers to bypass intended intrusion prevention by dividing a dangerous parameter value into substrings, as demonstrated by a SQL statement that is split across multiple iid parameters and then sent to a .aspx file on an IIS web server.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ibm | Web Application Firewall | - |
| Ibm | G400 Ips-G400-Ib-1 Appliance | 31.030 |
| Ibm | Gx4004 Ips-Gx4004-Ib-2 Appliance | 31.030 |
Related Weaknesses (CWE)
References
- http://securityreason.com/securityalert/8339
- http://securitytracker.com/id?1025683Exploit
- http://www.iss.net/security_center/reference/vuln/HTTP_Parameter_Abuse.htm
- http://www.securityfocus.com/archive/1/518556/100/0/threaded
- http://www.securityfocus.com/bid/48370
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67178
- https://www.trustwave.com/spiderlabs/advisories/TWSL2011-006.txtExploit
- http://securityreason.com/securityalert/8339
- http://securitytracker.com/id?1025683Exploit
- http://www.iss.net/security_center/reference/vuln/HTTP_Parameter_Abuse.htm
- http://www.securityfocus.com/archive/1/518556/100/0/threaded
- http://www.securityfocus.com/bid/48370
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67178
- https://www.trustwave.com/spiderlabs/advisories/TWSL2011-006.txtExploit
FAQ
What is CVE-2011-3140?
CVE-2011-3140 is a vulnerability with a CVSS score of 5.0 (MEDIUM). IBM Web Application Firewall, as used on the G400 IPS-G400-IB-1 and GX4004 IPS-GX4004-IB-2 appliances with update 31.030, does not properly handle query strings with multiple instances of the same par...
How severe is CVE-2011-3140?
CVE-2011-3140 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-3140?
Check the references section above for vendor advisories and patch information. Affected products include: Ibm Web Application Firewall, Ibm G400 Ips-G400-Ib-1 Appliance, Ibm Gx4004 Ips-Gx4004-Ib-2 Appliance.