25479 : RealVNC Remote Password Authentication Bypass
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Views All Time

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Info

Last Modified

8 months ago

Percent Complete

100%

Disclosure

May 15, 2006

Discovery

Unknown

Dates

Exploit

May 15, 2006

Solution

Unknown

Description

RealVNC contains a flaw that may allow a malicious user to bypass authentication and allows access to the remote system without requiring knowledge of the VNC password. The issue is triggered due to an error within the handling of VNC password authentication requests. This flaw may lead to a loss of confidentiality.

Classification

Location: Remote/Network Access Required
Attack Type: Authentication Management
Impact: Loss of Confidentiality
Exploit: Exploit Available
OSVDB: Web Related

Solution

Upgrade to version 4.1.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

RealVNC Ltd

RealVNC

4.1.1

References

Security Tracker: 1016083
CERT VU: 117929
Bugtraq ID: 17978
CVE ID: 2006-2369 (see also: NVD)
Secunia Advisory ID: 20107 20789
ISS X-Force ID: 26445
FrSIRT Advisory: ADV-2006-1790 ADV-2006-1821 ADV-2006-2492
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2006-06/0543.html
http://archives.neohapsis.com/archives/fulldisclosure/2006-05/0356.html
http://archives.neohapsis.com/archives/fulldisclosure/2006-05/0419.html
http://archives.neohapsis.com/archives/fulldisclosure/2006-05/0498.html
Vendor Specific Advisory URL: http://www.cisco.com/warp/public/707/cisco-sr-20060622-cmm.shtml
Other Advisory URL: http://www.intelliadmin.com/blog/2006/05/security-flaw-in-realvnc-411.html
http://www.intelliadmin.com/blog/2006/05/vnc-flaw-proof-of-concept.html
Vendor Specific News/Changelog Entry: http://www.realvnc.com/products/free/4.1/release-notes.html

Tools & Filters

Snort	13611 13612 13880 6471
Nessus	21564 21574

Credit

Steve Wiseman - steveintelliadmin.com - IntelliAdmin

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