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[RHSA-2015:0833-01] Moderate: novnc security update

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Red Hat Security Advisory

 

Synopsis: Moderate: novnc security update

Advisory ID: RHSA-2015:0833-01

Product: Red Hat Enterprise Linux OpenStack Platform

Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-0833.html

Issue date: 2015-04-16

CVE Names: CVE-2013-7436

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1. Summary:

 

An updated novnc package that fixes one security issue is now available for

Red Hat Enterprise Linux OpenStack Platform 5.0 for Red Hat Enterprise

Linux 6.

 

Red Hat Product Security has rated this update as having Moderate security

impact. A Common Vulnerability Scoring System (CVSS) base score, which

gives a detailed severity rating, is available from the CVE link in the

References section.

 

2. Relevant releases/architectures:

 

Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 6 - noarch

 

3. Description:

 

The novnc package provides a VNC client that uses HTML5 (Web Sockets,

Canvas) and includes encryption support.

 

It was discovered that noVNC did not properly set the 'secure' flag when

issuing cookies. An attacker could use this flaw to intercept cookies via a

man-in-the-middle attack. (CVE-2013-7436)

 

All novnc users are advised to upgrade to this updated package, which

corrects this issue.

 

4. Solution:

 

Before applying this update, make sure all previously released errata

relevant to your system have been applied.

 

For details on how to apply this update, refer to:

 

https://access.redhat.com/articles/11258

 

5. Bugs fixed (https://bugzilla.redhat.com/):

 

1193451 - CVE-2013-7436 novnc: session hijack through insecurely set session token cookies

 

6. Package List:

 

Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 6:

 

Source:

novnc-0.5.1-2.el6ost.src.rpm

 

noarch:

novnc-0.5.1-2.el6ost.noarch.rpm

 

These packages are GPG signed by Red Hat for security. Our key and

details on how to verify the signature are available from

https://access.redhat.com/security/team/key/

 

7. References:

 

https://access.redhat.com/security/cve/CVE-2013-7436

https://access.redhat.com/security/updates/classification/#moderate

 

8. Contact:

 

The Red Hat security contact is . More contact

details at https://access.redhat.com/security/team/contact/

 

Copyright 2015 Red Hat, Inc.

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