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Rule:
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Sid:
100000533
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Summary:
This event is generated when an attempt is made to exploit an SQL injection
vulnerability in the "VUBB" application running on a webserver. Access to the
file "functions.php" with SQL commands being passed as the "email" parameter
may indicate that an exploitation attempt has been attempted.
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Impact:
Information gathering and system integrity compromise. Possible unauthorized
administrative access to the server or application. Possible execution of
arbitrary code of the attackers choosing in some cases.
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Detailed Information:
This event indicates that an attempt has been made to inject SQL code from a
remote machine via the "email" parameter in the "functions.php" script used by
the "VUBB" application running on a webserver.
If stringent input checks are not performed by the CGI application, it may also
be possible for an attacker to compromise the database backend for the
application, the attacker may also be able to execute system binaries or
malicious code of their choosing.
This event is generated when an attempt is made to gain unauthorized access to
a CGI application running ona web server. Some applications do not perform
stringent checks when validating the credentials of a client host connecting to
the services offered on a host server. This can lead to unauthorized access and
possibly escalated privileges to that of the administrator. Data stored on the
machine can be compromised and trust relationships between the victim server
and other hosts can be exploited by the attacker.
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Affected Systems:
All systems running CGI applications using VUBB
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Attack Scenarios:
An attacker can inject SQL commands to the backend database for an application
if user input is not correctly sanitized or checked before passing that input
to the database.
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Ease of Attack:
Simple. Exploits exist.
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False Positives:
None known.
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False Negatives:
None known.
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Corrective Action:
Ensure the system is using an up to date version of the software and has had
all vendor supplied patches applied.
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Contributors:
Sourcefire Vulnerability Research Team
Nigel Houghton <nigel.houghton@sourcefire.com>
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Additional References:
SQL Injection Attack and Defense
http://www.securitydocs.com/library/3587
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