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TITLE:
Crafty Syntax Live Help "pageurl" URL Redirect and
Cross-Site-Scripting Vulnerabilities

SECUNIA ADVISORY ID:
SA45287

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/45287/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=45287

RELEASE DATE:
2011-08-03

DISCUSS ADVISORY:
http://secunia.com/advisories/45287/#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/45287/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=45287

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:
Rosinei Muniz has discovered a weakness and a vulnerability in Crafty
Syntax Live Help, which can be exploited by malicious people to
conduct spoofing and cross-site scripting attacks.

1) Input passed via the "pageurl" parameter to livehelp.php is not
properly sanitised before being returned to the user. This can be
exploited to execute arbitrary HTML and script code in a user's
browser session in context of an affected site.

2) Input passed via the "pageurl" parameter to livehelp.php is not
properly verified before being used to redirect users. This can be
exploited to redirect a user to an arbitrary website e.g. when a user
clicks a specially crafted link to the affected script hosted on a
trusted domain.

The weakness and the vulnerability are confirmed in version 3.1.2.
Other versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised and
verified.

PROVIDED AND/OR DISCOVERED BY:
Rosinei Muniz

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
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