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Red Hat Security Advisory 2018-2150-01

Red Hat Security Advisory 2018-2150-01
Posted Jul 10, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2150-01 - 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. Issues addressed include a code execution vulnerability.

tags | advisory, remote, code execution
systems | linux, redhat
advisories | CVE-2018-10874, CVE-2018-10875
MD5 | 3b0ef1d000305a071bdfd654c8ffc973

Red Hat Security Advisory 2018-2150-01

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: ansible security and bug fix update
Advisory ID: RHSA-2018:2150-01
Product: Red Hat Ansible Engine
Advisory URL: https://access.redhat.com/errata/RHSA-2018:2150
Issue date: 2018-07-10
CVE Names: CVE-2018-10874 CVE-2018-10875
=====================================================================

1. Summary:

An update for ansible is now available for Ansible Engine 2.5.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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.

2. Relevant releases/architectures:

Red Hat Ansible Engine 2.5 for RHEL 7 Server - noarch

3. 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.

The following packages have been upgraded to a newer upstream version:
ansible (2.5.6)

Security fix(es):

* ansible: Inventory variables are loaded from current working directory
when running ad-hoc command that can lead to code execution
(CVE-2018-10874)

* ansible: ansible.cfg is being read from current working directory
allowing possible code execution (CVE-2018-10875)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

This issue was discovered by Brian Coca (Red Hat), and Michael Scherer
(OSAS).

Bug Fix(es):

* Restore module_utils.basic.BOOLEANS variable for backwards compatibility
with the module API in older ansible releases.

* lineinfile - add warning when using an empty regexp
(https://github.com/ansible/ansible/issues/29443)

* apt - fix apt-mark on debian6
(https://github.com/ansible/ansible/pull/41530)

* copy module - fixed recursive copy with relative paths
(https://github.com/ansible/ansible/pull/40166)

* correct debug display for all cases
https://github.com/ansible/ansible/pull/41331

* eos_l2_interface - fix eapi
(https://github.com/ansible/ansible/pull/42270)

* group_by - support implicit localhost
(https://github.com/ansible/ansible/pull/41860)

* influxdb_query - fixed the use of the common return 'results' caused an
unexpected fault. The return is renamed to 'query_results'

* junos_config - fix confirm commit timeout issue
(https://github.com/ansible/ansible/pull/41527)

* lineinfile - fix insertbefore when used with BOF to not insert duplicate
lines (https://github.com/ansible/ansible/issues/38219)

* nsupdate - allow hmac-sha384
https://github.com/ansible/ansible/pull/42209

* nxos_linkagg - fix issue (https://github.com/ansible/ansible/pull/41550).

* nxos_vxlan_vtep_vni - fix issue
(https://github.com/ansible/ansible/pull/42240)

* uses correct conn info for reset_connection
https://github.com/ansible/ansible/issues/27520

* correct service facts systemd detection of state
https://github.com/ansible/ansible/issues/40809

* correctly check hostvars for vars term
https://github.com/ansible/ansible/pull/41819

* vyos_vlan - fix aggregate configuration issues
(https://github.com/ansible/ansible/pull/41638)

* win_domain - fixes typo in one of the AD cmdlets
https://github.com/ansible/ansible/issues/41536

* win_iis_webapppool - redirect some module output to null so Ansible can
read the output JSON https://github.com/ansible/ansible/issues/40874

* win_updates - Fixed issue where running win_updates on async fails
without any error

* winrm - ensure pexpect is set to not echo the input on a failure and have
a manual sanity check afterwards
https://github.com/ansible/ansible/issues/41865

4. 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

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

1596528 - CVE-2018-10874 ansible: Inventory variables are loaded from current working directory when running ad-hoc command that can lead to code execution
1596533 - CVE-2018-10875 ansible: ansible.cfg is being read from current working directory allowing possible code execution

6. Package List:

Red Hat Ansible Engine 2.5 for RHEL 7 Server:

Source:
ansible-2.5.6-1.el7ae.src.rpm

noarch:
ansible-2.5.6-1.el7ae.noarch.rpm
ansible-doc-2.5.6-1.el7ae.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-2018-10874
https://access.redhat.com/security/cve/CVE-2018-10875
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 2018 Red Hat, Inc.
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