Scientific Linux Security Update : tigervnc on SL6.x i386/x86_64

Medium Nessus Plugin ID 99227


The remote Scientific Linux host is missing one or more security updates.


Security Fix(es) :

- A denial of service flaw was found in the TigerVNC's Xvnc server. A remote unauthenticated attacker could use this flaw to make Xvnc crash by terminating the TLS handshake process early. (CVE-2016-10207)

- A buffer overflow flaw, leading to memory corruption, was found in TigerVNC viewer. A remote malicious VNC server could use this flaw to crash the client vncviewer process resulting in denial of service. (CVE-2017-5581)


Update the affected packages.

See Also

Plugin Details

Severity: Medium

ID: 99227

File Name: sl_20170321_tigervnc_on_SL6_x.nasl

Version: $Revision: 3.1 $

Type: local

Agent: unix

Published: 2017/04/06

Modified: 2017/04/06

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: x-cpe:/o:fermilab:scientific_linux

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RedHat/release, Host/RedHat/rpm-list

Patch Publication Date: 2017/03/21

Reference Information

CVE: CVE-2016-10207, CVE-2017-5581