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TITLE:
BLOG:CMS Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA42646

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42646/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42646

RELEASE DATE:
2010-12-26

DISCUSS ADVISORY:
http://secunia.com/advisories/42646/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/42646/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
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https://ca.secunia.com/?page=viewadvisory&vuln_id=42646

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Multiple vulnerabilities have been discovered in BLOG:CMS, which can
be exploited by malicious people to conduct cross-site scripting and
cross-site request forgery attacks.

1) Input passed via the "body" POST parameter to action.php (when
"action" POST parameter is set to "addcomment") is not properly
sanitised before being used. This can be exploited to insert
arbitrary HTML and script code, which will be executed in a user's
browser session in context of an affected site when the malicious
data is being viewed.

2) The application allows users to perform certain actions via HTTP
requests without making proper validity checks to verify the
requests. This can be exploited to e.g add an administrative user by
tricking an administrator into visiting a malicious web site while
being logged-in to the application.

The vulnerability is confirmed in version 4.2.1.f. Other versions may
also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised. Do
not browse untrusted web sites or follow untrusted links while being
logged-in to the application.

ORIGINAL ADVISORY:
HTB22724:
http://www.htbridge.ch/advisory/xss_vulnerability_in_blogcms.html

HTB22727:
http://www.htbridge.ch/advisory/xsrf_csrf_in_blogcms.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
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vulnerabilities.

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