GLSA-201702-19 : TigerVNC: Buffer overflow

Medium Nessus Plugin ID 97262


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


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.


All TigerVNC users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-misc/tigervnc-1.7.1'

See Also

Plugin Details

Severity: Medium

ID: 97262

File Name: gentoo_GLSA-201702-19.nasl

Version: $Revision: 3.3 $

Type: local

Published: 2017/02/21

Modified: 2017/03/07

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 6.8

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


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: 2017/02/20

Reference Information

CVE: CVE-2017-5581

GLSA: 201702-19