CVE-2011-3140
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…
Does this matter?
Lower severity and a low EPSS score (2.15%). Track it; it rarely justifies an emergency change on its own.
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 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
- EPSS
- 2.15% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- ibm/web application firewall · ibm/g400 ips-g400-ib-1 appliance · ibm/gx4004 ips-gx4004-ib-2 appliance
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.