Gentoo: GLSA 201612-36 Moderate: TigerVNC Integer Overflow Risk
gentoo
December 13, 2016
An integer overflow in TigerVNC might allow remote attackers to execute arbitrary code.
Summary
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.
Resolution
All TigerVNC users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/tigervnc-1.4.2"
References
[ 1 ] CVE-2014-6051 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6051 [ 2 ] CVE-2014-8240 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8240
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201612-36
style>.gentoo_availability{display:block;}
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
PREVIOUS
NEXT
Severity: Normal
Title: TigerVNC: Integer overflow
Date: December 13, 2016
Bugs: #534714
ID: 201612-36
Background
TigerVNC is a high-performance VNC server/client.
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/tigervnc < 1.4.2 >= 1.4.2
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.
Related News
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!