Bug 1330272 (CVE-2016-2809)

Summary:	CVE-2016-2809 Mozilla: Privilege escalation through file deletion by Maintenance Service updater (MFSA 2016-40)
Product:	[Other] Security Response	Reporter:	Siddharth Sharma <sisharma>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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Fixed In Version:		Doc Type:	Bug Fix
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Last Closed:	2016-05-09 04:49:02 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1306172

Description Siddharth Sharma 2016-04-25 18:47:30 UTC

Security researcher Holger Fuhrmannek reported an issue where the Mozilla Maintenance Service updater on Windows can delete arbitrary files because of its privileged system access. This file deletion can then potentially be used for further privilege escalation. This flaw requires users to execute a locally saved file in order for it to be triggered.

This issue does not affect non-Windows operating systems.

External Reference:

https://www.mozilla.org/security/announce/2016/mfsa2016-40.html

Comment 1 Siddharth Sharma 2016-04-25 18:47:38 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: Holger Fuhrmannek