29782 : RealVNC Client/Server Integer Mismatch DoS
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Info

Last Modified

6 months ago

Percent Complete

100%

Disclosure

Aug 19, 2006

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Unknown

Description

RealVNC contains a flaw that may allow a remote denial of service. The issue is triggered when an integer length of -1 on clipboard updates is sent to either the client or the server, and will result in the termination of the connection or possibly the process.

Classification

Location: Remote/Network Access Required
Attack Type: Denial of Service, Input Manipulation
Impact: Loss of Availability
Exploit: Exploit Rumored / Private
OSVDB: Concern

Technical

To exploit this vulnerability the attacker must control either a client that is fully connected and authenticated to a vulnerable VNC server or control a VNC server with at least one vulnerable connected and authenticated client.

Solution

Currently, there are no known upgrades, patches, or workarounds available to correct this issue.

Products

RealVNC Ltd.
Watch-list
RealVNC Server
Watch-list
4.2.1
RealVNC Client
Watch-list
4.2.1

References

Credit

  • Niall FitzGibbon -

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