Gentoo: GLSA-200903-17: Real VNC: User-assisted execution of arbitrary code
Summary
Gentoo Linux Security Advisory GLSA 200903-17
https://security.gentoo.org/
Severity: Normal
Title: Real VNC: User-assisted execution of arbitrary code
Date: March 09, 2009
Bugs: #255225
ID: 200903-17
Synopsis
=======
The Real VNC client is vulnerable to execution of arbitrary code when
connecting to a malicious server.
Background
=========
Real VNC is a remote desktop viewer display system.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/vnc < 4.1.3 >= 4.1.3
==========
An unspecified vulnerability has been discovered int the
CMsgReader::readRect() function in the VNC Viewer component, related to
the encoding type of RFB protocol data.
Impact
=====
A remote attacker could entice a user to connect to a malicious VNC
server, or leverage Man-in-the-Middle attacks, to cause the execution
of arbitrary code with the privileges of the user running the VNC
viewer.
Workaround
=========
There is no known workaround at this time.
Resolution
=========
All Real VNC users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/vnc-4.1.3"
References
=========
[ 1 ] CVE-2008-4770
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4770
Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/200903-17
Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org/.
License
======
Copyright 2009 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5/
Resolution
References
Availability
Concerns
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