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Red Hat Enterprise Linux: RHSA-2015-0100 Moderate Libyaml Assert Failure

red hat
Calendar Grey January 28, 2015
Dist Redhat Esm H88
Debian issues a critical libxml2 patch for its GNU/Linux distribution resolving a buffer overflow vulnerability within the library.
Updated libyaml packages that fix one security issue are now available for Red Hat Enterprise Linux 6 and 7

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

Summary

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.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux moderate impact application crash libyaml assertion failure

References

https://access.redhat.com/security/cve/CVE-2014-9130 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source: libyaml-0.1.3-4.el6_6.src.rpm
i386: libyaml-0.1.3-4.el6_6.i686.rpm libyaml-debuginfo-0.1.3-4.el6_6.i686.rpm
x86_64: libyaml-0.1.3-4.el6_6.i686.rpm libyaml-0.1.3-4.el6_6.x86_64.rpm libyaml-debuginfo-0.1.3-4.el6_6.i686.rpm libyaml-debuginfo-0.1.3-4.el6_6.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
i386: libyaml-debuginfo-0.1.3-4.el6_6.i686.rpm libyaml-devel-0.1.3-4.el6_6.i686.rpm
x86_64: libyaml-debuginfo-0.1.3-4.el6_6.i686.rpm libyaml-debuginfo-0.1.3-4.el6_6.x86_64.rpm libyaml-devel-0.1.3-4.el6_6.i686.rpm libyaml-devel-0.1.3-4.el6_6.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: libyaml-0.1.3-4.el6_6.src.rpm
x86_64: libyaml-0.1.3-4.el6_6.i686.rpm libyaml-0.1.3-4.el6_6.x86_64.rpm libyaml-debuginfo-0.1.3-4.el6_6.i686.rpm libyaml-debuginfo-0.1.3-4.el6_6.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
x86_64: libyaml-debuginfo-0.1.3-4.el6_6.i686.rpm libyaml-debuginfo-0.1.3-4.el6_6.x86_64.rpm libyaml-devel-0.1.3-4.el6_6.i686.rpm libyaml-devel-0.1.3-4.el6_6.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source: libyaml-0.1.3-4.el6_6.src.rpm
i386: libyaml-0.1.3-4.el6_6.i686.rpm libyaml-debuginfo-0.1.3-4.el6_6.i686.rpm
ppc64: libyaml-0.1.3-4.el6_6.ppc.rpm libyaml-0.1.3-4.el6_6.ppc64.rpm

Read the Full Advisory


Advisory ID: RHSA-2015:0100-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2015:0100.html
Issue date: 2015-01-28

Topic

Updated libyaml packages that fix one security issue are now available forRed Hat Enterprise Linux 6 and 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.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux moderate impact application crash libyaml assertion failure

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64

Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64

Red Hat Enterprise Linux HPC Node (v. 6) - x86_64

Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Bugs Fixed

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

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