CVE-2018-10874: Input Validation
First published: Fri Jun 29 2018(Updated: )
In ansible it was found that inventory variables are loaded from current working directory when running ad-hoc command which are under attacker's control, allowing to run arbitrary code as a result.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Redhat Ansible Engine | =2.0 | |
| Redhat Ansible Engine | =2.4 | |
| Redhat Ansible Engine | =2.5 | |
| Redhat Ansible Engine | =2.6 | |
| Redhat Openstack | =10 | |
| Redhat Openstack | =12 | |
| Redhat Openstack | =13 | |
| Redhat Virtualization | =4.0 | |
| Redhat Virtualization Host | =4.0 | |
| ubuntu/ansible | <2.5.1+dfsg-1ubuntu0.1 | 2.5.1+dfsg-1ubuntu0.1 |
| ubuntu/ansible | <2.6.1+dfsg-1 | 2.6.1+dfsg-1 |
| debian/ansible | 2.7.7+dfsg-1+deb10u1 2.7.7+dfsg-1+deb10u2 2.10.7+merged+base+2.10.8+dfsg-1 7.3.0+dfsg-1 7.7.0+dfsg-3 9.5.1+dfsg-1 |
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Reference Links
- http://www.securitytracker.com/id/1041396
- https://access.redhat.com/errata/RHBA-2018:3788
- https://access.redhat.com/errata/RHSA-2018:2150
- https://access.redhat.com/errata/RHSA-2018:2151
- https://access.redhat.com/errata/RHSA-2018:2152
- https://access.redhat.com/errata/RHSA-2018:2166
- https://access.redhat.com/errata/RHSA-2018:2321
- https://access.redhat.com/errata/RHSA-2018:2585
- https://access.redhat.com/errata/RHSA-2019:0054
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10874
- https://usn.ubuntu.com/4072-1/
- https://launchpad.net/bugs/cve/CVE-2018-10874
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1598810
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1598809
- https://bugzilla.redhat.com/show_bug.cgi?id=1596528
- https://github.com/ansible/ansible/pull/42067
- https://github.com/ansible/ansible/commit/1f80949f964a946773f9d3ac1899535bd2cc2b8e
- https://security-tracker.debian.org/tracker/CVE-2018-10874
- https://ubuntu.com/security/notices/USN-4072-1
- https://www.cve.org/CVERecord?id=CVE-2018-10874
- https://nvd.nist.gov/vuln/detail/CVE-2018-10874
- https://ubuntu.com/security/CVE-2018-10874
Frequently Asked Questions
What is CVE-2018-10874?
CVE-2018-10874 is a vulnerability in Ansible that allows arbitrary code execution.
Which versions of Ansible are affected by CVE-2018-10874?
Versions 2.5.1+dfsg-1ubuntu0.1, 2.6.1+dfsg-1, and earlier are affected.
How can I fix CVE-2018-10874 in Ubuntu?
Upgrade to version 2.5.1+dfsg-1ubuntu0.1 or later of the ansible package.
How can I fix CVE-2018-10874 in Redhat Ansible Engine?
Upgrade to a version of Redhat Ansible Engine that is not affected by the vulnerability.
Is there any additional information available about CVE-2018-10874?
Yes, you can find more information at the following references: http://www.securitytracker.com/id/1041396, https://access.redhat.com/errata/RHBA-2018:3788, https://access.redhat.com/errata/RHSA-2018:2150.
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