Gentoo: GLSA-201612-36: TigerVNC: Integer overflow
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
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.
![Dist Gentoo](/images/distros/dist-gentoo.png)
Synopsis
An integer overflow in TigerVNC might allow remote attackers to execute arbitrary code.
Background
TigerVNC is a high-performance VNC server/client.
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.