GLSA-201702-19 : TigerVNC: Buffer overflow

This script is Copyright (C) 2017 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-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.

See also :

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

Solution :

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

Risk factor :

Medium / CVSS Base Score : 6.8
(CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 97262 ()

Bugtraq ID:

CVE ID: CVE-2017-5581

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