GLSA-201612-36 : TigerVNC: Integer overflow

This script is Copyright (C) 2016 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-201612-36
(TigerVNC: Integer overflow)

TigerVNC is impacted by the same vulnerability as found in
CVE-2014-6051. An integer overflow, leading to a heap-based buffer
overflow, was found in the way screen sizes were handled.

Impact :

A remote attacker, utilizing a malicious VNC server, could execute
arbitrary code with the privileges of the user running the client, or
cause a Denial of Service condition.

Workaround :

There is no known workaround at this time.

See also :

https://security.gentoo.org/glsa/201612-36

Solution :

All TigerVNC users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-misc/tigervnc-1.4.2'

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 95739 ()

Bugtraq ID:

CVE ID: CVE-2014-6051
CVE-2014-8240

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