Bug 1388113 (CVE-2016-8628)

Summary:	CVE-2016-8628 ansible: Command injection by compromised server via fact variables
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	aortega, apevec, arubin, ayoung, bleanhar, ccoleman, chrisw, cvsbot-xmlrpc, dedgar, dmcphers, gmollett, jgoulding, jialiu, jjoyce, jkeck, jmatthew, joelsmith, jokerman, jschluet, kbasil, kdube, kseifried, lhh, lmeyer, lpeer, markmc, mmccomas, mscherer, nthomas, rbryant, rcyriac, sankarshan, sclewis, security-response-team, sgirijan, sisharma, slinaber, smallamp, smohan, ssaha, tcarlin, tdawson, tdecacqu, tsanders, tvignaud, vbellur
Target Milestone:	---	Keywords:	Reopened, Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	Ansible 2.2.0	Doc Type:	If docs needed, set a value
Doc Text:	Ansible fails to properly sanitize fact variables sent from the Ansible controller. An attacker with the ability to create special variables on the controller could execute arbitrary commands on Ansible clients as the user Ansible runs as.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-12-15 05:30:42 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1390646, 1390647, 1390648, 1390649, 1390681, 1396333
Bug Blocks:	1388114

Description Adam Mariš 2016-10-24 13:37:25 UTC

It was found that it's possible to inject code and gain remote code execution via setting ansible_ssh_executable variable by attacker that takes over of controlled server.

Comment 1 Adam Mariš 2016-10-24 13:37:55 UTC

Acknowledgments:

Name: Michael Scherer (Red Hat)

Comment 2 Kurt Seifried 2016-11-01 15:23:05 UTC

Created ansible1.9 tracking bugs for this issue:

Affects: fedora-all [bug 1390647]
Affects: epel-all [bug 1390649]

Comment 3 Kurt Seifried 2016-11-01 15:23:26 UTC

Created ansible tracking bugs for this issue:

Affects: fedora-all [bug 1390646]
Affects: epel-all [bug 1390648]

Comment 4 Kurt Seifried 2016-11-01 15:28:46 UTC

This issue is addressed in Ansible 2.2.0 available at:

https://github.com/ansible/ansible/releases/tag/v2.2.0.0-1

Comment 5 Kurt Seifried 2016-11-01 15:34:58 UTC

Downgrading this issue from High to Medium as it requires a compromised server in order to exploit a client.

Comment 8 Kurt Seifried 2016-11-14 18:24:00 UTC

Updated affects, 1.9 is not affected.

Comment 9 errata-xmlrpc 2016-11-15 19:09:59 UTC

This issue has been addressed in the following products:

  Red Hat OpenShift Enterprise 3.2
  Red Hat OpenShift Container Platform 3.3

Via RHSA-2016:2778 https://access.redhat.com/errata/RHSA-2016:2778