Bug 1382369 (CVE-2016-0727)

Summary:	CVE-2016-0727 ntp: Privilege escalation via cronjob
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dkholia, mlichvar, sardella
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
Last Closed:	2016-10-07 07:31:17 UTC	Type:	---
Regression:	---	Mount Type:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1382370
Bug Blocks:	1382371

Description Adam Mariš 2016-10-06 13:34:48 UTC

Multiple bugs in cronjob script bundled with ntp package were found allowing malicious ntp user to make the backup process to overwrite arbitrary files with content controlled by the attacker, thus gaining root privileges.

External References:

http://www.halfdog.net/Security/2015/NtpCronjobUserNtpToRootPrivilegeEscalation/

Comment 1 Adam Mariš 2016-10-06 13:35:11 UTC

Created ntp tracking bugs for this issue:

Affects: fedora-all [bug 1382370]

Comment 4 Dhiru Kholia 2016-10-07 07:31:17 UTC

Statement:

This issue did not affect the versions of ntp as shipped with Red Hat Enterprise Linux 5, 6, or 7.