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ActiveCampaign KnowledgeBuilder SQL Injection and Denial of Service
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Secunia Advisory:
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SA17732
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Release Date:
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2005-11-25
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Last Update:
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2006-02-03
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Popularity:
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4,830 views
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Critical:
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Moderately critical
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Impact:
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Manipulation of data
DoS
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | ActiveCampaign KnowledgeBuilder
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2005-3828
CVE-2005-3829
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Description:
r0t has discovered two vulnerabilities in ActiveCampaign KnowledgeBuilder, which can be exploited by malicious people to cause a DoS (Denial of Service) and conduct SQL injection attacks.
1) Input passed to the "article" parameter in "index.php" isn't properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
Successful exploitation requires that "magic_quotes_gpc" is disabled.
2) Input passed to the "category" parameter in "index.php" isn't properly verified, before it is used when sending requests to the database. This can be exploited to cause a large amount of SQL queries to be sent to the database via an invalid "category" parameter.
Successful exploitation causes a vulnerable system to consume a large amount of CPU resources.
The vulnerabilities have been confirmed in the latest available version. Other versions may also be affected.
Solution:
Update to version 2.50.
Provided and/or discovered by:
r0t
Changelog:
2005-12-07: Added CVE references.
2006-02-03: Updated "Solution" section.
Original Advisory:
http://pridels.blogspot.com/2005/11/activecampaign-knowledgebuilder-vuln.html
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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