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>> RealVNC Remote Authentication Bypass and Unauthorized Access Vulnerability

Title : RealVNC Remote Authentication Bypass and Unauthorized Access Vulnerability
VUPEN ID : VUPEN/ADV-2006-1790
CVE ID : CVE-2006-2369
Rated as : Critical 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2006-05-12


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in RealVNC, which could be exploited by remote attackers to compromise a vulnerable system. This flaw is due to a design error in the authentication process that does not properly validate passwords, which could be exploited by remote unauthenticated attackers to gain unauthorized access to a vulnerable system via a specially crafted request.

Affected Products

RealVNC Free Edition version 4.1.1 and prior
RealVNC Personal Edition version 4.2.2 and prior
RealVNC Enterprise Edition version 4.2.2 and prior

Solution

Upgrade to RealVNC Free Edition 4.1.2, Personal Edition 4.2.3, or Enterprise Edition 4.2.3 :
http://www.realvnc.com/download.html

References

http://www.vupen.com/english/advisories/2006/1790
http://www.intelliadmin.com/blog/2006/05/security-flaw-in-realvnc-411.html
http://www.realvnc.com/products/free/4.1/release-notes.html
http://www.realvnc.com/products/personal/4.2/release-notes.html
http://www.realvnc.com/products/enterprise/4.2/release-notes.html

Credits

Vulnerability reported by Steve Wiseman

ChangeLog

2006-05-12 : Initial release

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