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Gentoo: 201508-12 Moderate Severity: LibVNCClient Security Threats

gentoo
Calendar Grey July 7, 2015
Dist Gentoo Esm H88
Potential security flaws in the VNC server detailed in Gentoo GLSA 201507-07 could enable remote code execution or denial of service attacks. It is advisable to perform an upgrade.
Multiple vulnerabilities have been found in LibVNCServer, the worst of which could result in execution of arbitrary code or Denial of Service.

Summary

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

Topics%20covered

Topics Covered

security advisory denial of service gentoo remote execution normal severity libvncserver

Resolution

All LibVNCServer users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot -v ">=net-libs/libvncserver-0.9.10-r1"

References

[ 1 ] CVE-2014-6051 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6051 [ 2 ] CVE-2014-6052 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6052 [ 3 ] CVE-2014-6053 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6053 [ 4 ] CVE-2014-6054 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6054 [ 5 ] CVE-2014-6055 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6055

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201507-07
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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.

Severity: Normal
Title: LibVNCServer: Multiple vulnerabilities
Date: July 07, 2015
Bugs: #523590
ID: 201507-07

Topics%20covered

Topics Covered

security advisory denial of service gentoo remote execution normal severity libvncserver

Synopsis

Multiple vulnerabilities have been found in LibVNCServer, the worst of which could result in execution of arbitrary code or Denial of Service.

Background

LibVNCServer is a cross-platform C library that allows you to easily implement VNC server functionality in your program.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-libs/libvncserver < 0.9.10-r1 >= 0.9.10-r1

Impact

===== A remote attacker may be able to execute arbitrary code with the privileges of the process or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

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