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Sicherheit: Denial of Service in libyaml
Aktuelle Meldungen Distributionen
Name: Denial of Service in libyaml
ID: RHSA-2015:0260-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux OpenStack Platform
Datum: Mo, 23. Februar 2015, 22:13
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9130

Originalnachricht

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

Synopsis: Moderate: libyaml security update
Advisory ID: RHSA-2015:0260-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-0260.html
Issue date: 2015-02-23
CVE Names: CVE-2014-9130
=====================================================================

1. Summary:

Updated libyaml packages that fix one security issue are now available for
Red Hat Enterprise Linux OpenStack Platform 4.0 and 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 4.0 - x86_64
Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 6 - x86_64

3. Description:

YAML is a data serialization format designed for human readability and
interaction with scripting languages. LibYAML is a YAML parser and emitter
written in C.

An assertion failure was found in the way the libyaml library parsed
wrapped strings. An attacker able to load specially crafted YAML input into
an application using libyaml could cause the application to crash.
(CVE-2014-9130)

All libyaml users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. All running applications
linked against the libyaml library must be restarted for this update to
take effect.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/articles/11258

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

1169369 - CVE-2014-9130 libyaml: assert failure when processing wrapped strings

6. Package List:

Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 6:

Source:
libyaml-0.1.3-4.el6_6.src.rpm

x86_64:
libyaml-0.1.3-4.el6_6.x86_64.rpm
libyaml-debuginfo-0.1.3-4.el6_6.x86_64.rpm
libyaml-devel-0.1.3-4.el6_6.x86_64.rpm

Red Hat Enterprise Linux OpenStack Platform 4.0:

Source:
libyaml-0.1.3-4.el6_6.src.rpm

x86_64:
libyaml-0.1.3-4.el6_6.x86_64.rpm
libyaml-debuginfo-0.1.3-4.el6_6.x86_64.rpm
libyaml-devel-0.1.3-4.el6_6.x86_64.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-2014-9130
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2015 Red Hat, Inc.
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