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Red Hat Product Errata RHSA-2017:1334 - Security Advisory
Issued:
2017-05-25
Updated:
2017-05-25

RHSA-2017:1334 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: ansible security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for ansible is now available for Red Hat Gluster Storage 3.2 for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Ansible is a simple model-driven configuration management, multi-node deployment, and remote-task execution system. Ansible works over SSH and does not require any software or daemons to be installed on remote nodes. Extension modules can be written in any language and are transferred to managed machines automatically.

Security Fix(es):

  • An input validation vulnerability was found in Ansible's handling of data sent from client systems. An attacker with control over a client system being managed by Ansible, and the ability to send facts back to the Ansible server, could use this flaw to execute arbitrary code on the Ansible server using the Ansible server privileges. (CVE-2017-7466)
  • An input validation flaw was found in Ansible, where it fails to properly mark lookup-plugin results as unsafe. If an attacker could control the results of lookup() calls, they could inject Unicode strings to be parsed by the jinja2 templating system, resulting in code execution. By default, the jinja2 templating language is now marked as 'unsafe' and is not evaluated. (CVE-2017-7481)

These issues were discovered by Evgeni Golov (Red Hat).

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

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

Affected Products

  • Red Hat Gluster Storage Server for On-premise 3 for RHEL 7 x86_64

Fixes

  • BZ - 1439212 - CVE-2017-7466 ansible: Arbitrary code execution on control node (incomplete fix for CVE-2016-9587)
  • BZ - 1450018 - CVE-2017-7481 ansible: Security issue with lookup return not tainting the jinja2 environment

CVEs

  • CVE-2017-7466
  • CVE-2017-7481

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Gluster Storage Server for On-premise 3 for RHEL 7

SRPM
ansible-2.2.3.0-1.el7.src.rpm SHA-256: 988c92cd44be55653d279f84a5d97d2431c86a71385371f49cbb4f3848baff48
x86_64
ansible-2.2.3.0-1.el7.noarch.rpm SHA-256: 9fe1329c586a25834627eecff63db5b2fec5fbe1305eff434b3155ee81cb957f

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

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