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TITLE:
ThinVNC Pro File Transfer Security Bypass Security Issue

SECUNIA ADVISORY ID:
SA46254

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46254/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46254

RELEASE DATE:
2011-10-04

DISCUSS ADVISORY:
http://secunia.com/advisories/46254/#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/46254/

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=46254

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 security issue has been discovered in ThinVNC Pro, which can be
exploited by malicious people to bypass certain security
restrictions.

The security issue is caused due to the application not
authenticating certain web requests and can be exploited to bypass
the authentication mechanism and download arbitrary files by
submitting requests to the "/ft/" URL.

The security issue is reported in version 2.0.0.1 and confirmed in
version 2.0.0.16. Other versions may also be affected.

SOLUTION:
Restrict access to trusted hosts only.

PROVIDED AND/OR DISCOVERED BY:
r@b13$, Digital Defense, Inc. Vulnerability Research Team.

ORIGINAL ADVISORY:
DDIVRT-2011-36:
http://archives.neohapsis.com/archives/fulldisclosure/2011-10/0116.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.

Subscribe:
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Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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