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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 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

Published Aug 15, 2011

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

Weaknesses (1)

CWE-264

References (7)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 15, 2011
Updated Aug 6, 2024
Reserved Aug 15, 2011
Link CVE-2011-3140
CISA Vulnrichment
Updated n/a
NVD
Status Modified
Modified Jun 16, 2026
Link CVE-2011-3140
Red Hat
Severity n/a
Public date n/a
Links CVE-2011-3140