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TITLE:
CrazyTalk Web Player CrazyTalk4 ActiveX Control Buffer Overflow
Vulnerability

SECUNIA ADVISORY ID:
SA48426

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/48426/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=48426

RELEASE DATE:
2012-03-20

DISCUSS ADVISORY:
http://secunia.com/advisories/48426/#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/48426/

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=48426

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:
A vulnerability has been discovered in CrazyTalk Web Player, which
can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error in the CrazyTalk4
ActiveX control within the CrazyTalk4Native.dll module when handling
certain properties. This can be exploited to cause a stack-based
buffer overflow via an overly long string assigned to the
"BackImage", "ScriptName", "ModelName", and "SRC" properties.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in version 4.6.828.1. Other versions
may also be affected.

SOLUTION:
Set the kill-bit for the ActiveX control.

PROVIDED AND/OR DISCOVERED BY:
Reported by Andrea Micalizzi (rgod) in Dell Webcam Central.

ORIGINAL ADVISORY:
http://retrogod.altervista.org/9sg_dell_adv.html

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:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
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Please Note:
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clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
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