Detections
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GLSA-201702-19 : TigerVNC: Buffer overflow

critical Nessus Plugin ID 97262

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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-201702-19 (TigerVNC: Buffer overflow)

 A buffer overflow vulnerability in ModifiablePixelBuffer::fillRect in vncviewer was found.
 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-1.7.1'

See Also

https://security.gentoo.org/glsa/201702-19

Plugin Details

Severity: Critical

ID: 97262

File Name: gentoo_GLSA-201702-19.nasl

Version: 3.4

Type: local

Published: 2/21/2017

Updated: 1/11/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

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

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

Patch Publication Date: 2/20/2017

Reference Information

CVE: CVE-2017-5581

GLSA: 201702-19