GLSA-200903-17 : Real VNC: User-assisted execution of arbitrary code

This script is Copyright (C) 2009-2014 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-200903-17
(Real VNC: User-assisted execution of arbitrary code)

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.

See also :

http://www.gentoo.org/security/en/glsa/glsa-200903-17.xml

Solution :

All Real VNC users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-misc/vnc-4.1.3'

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 35815 (gentoo_GLSA-200903-17.nasl)

Bugtraq ID:

CVE ID: CVE-2008-4770