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====================================================================                   Red Hat Security Advisory

Synopsis:          Moderate: novnc security update
Advisory ID:       RHSA-2015:0834-01
Product:           Red Hat Enterprise Linux OpenStack Platform
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2015-0834.html
Issue date:        2015-04-16
CVE Names:         CVE-2013-7436 
====================================================================
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 7.

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 7 - 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 7:

Source:
novnc-0.5.1-2.el7ost.src.rpm

noarch:
novnc-0.5.1-2.el7ost.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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RedHat: RHSA-2015-0834:01 Moderate: novnc security update

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 7

Summary

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.



Summary


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

References

https://access.redhat.com/security/cve/CVE-2013-7436 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 7:
Source: novnc-0.5.1-2.el7ost.src.rpm
noarch: novnc-0.5.1-2.el7ost.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/


Severity
Advisory ID: RHSA-2015:0834-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-0834.html
Issued Date: : 2015-04-16
CVE Names: CVE-2013-7436

Topic

An updated novnc package that fixes one security issue is now available forRed Hat Enterprise Linux OpenStack Platform 5.0 for Red Hat EnterpriseLinux 7.Red Hat Product Security has rated this update as having Moderate securityimpact. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available from the CVE link in theReferences section.


Topic


 

Relevant Releases Architectures

Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 7 - noarch


Bugs Fixed

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