GLSA 201702-24: LibVNCServer/LibVNCClient: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	LibVNCServer/LibVNCClient: Multiple vulnerabilities
Date:	02/20/2017
Bugs:	#605326
ID:	201702-24

Synopsis

Multiple vulnerabilities have been found in LibVNCServer/LibVNCClient, the worst of which allows remote attackers to execute arbitrary code when connecting to a malicious server.

Background

LibVNCServer/LibVNCClient are cross-platform C libraries that allow you to easily implement VNC server or client functionality in your program.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-libs/libvncserver	< 0.9.11	>= 0.9.11	All supported architectures

Description

Multiple vulnerabilities have been discovered in LibVNCServer and LibVNCClient. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker could entice a user to connect to a malicious VNC server or leverage Man-in-the-Middle attacks to cause the execution of arbitrary code with the privileges of the user running a VNC client linked against LibVNCClient.

Workaround

There is no known workaround at this time.

Resolution

All LibVNCServer/LibVNCClient users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-libs/libvncserver-0.9.11"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201702-24.xml

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.