GLSA-201612-36 : TigerVNC: Integer overflow

high Nessus Plugin ID 95739

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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.

Solution

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

Plugin Details

Severity: High

ID: 95739

File Name: gentoo_GLSA-201612-36.nasl

Version: 3.3

Type: local

Family: Gentoo Local Security Checks

Published: 12/13/2016

Updated: 1/14/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2014-8240

Vulnerability Information

CPE: cpe:/o:gentoo:linux, p-cpe:/a:gentoo:linux:tigervnc

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 12/13/2016

Reference Information

CVE: CVE-2014-6051, CVE-2014-8240

GLSA: 201612-36

Detections

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