Bug 1716679 (CVE-2019-12589)

Summary:	CVE-2019-12589 firejail: improper seccomp restrictions due to filters being writable inside the jail
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	odubaj
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	firejail 0.9.60	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:56:32 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:	1716681
Bug Blocks:

Description Laura Pardo 2019-06-03 22:08:57 UTC

In Firejail before 0.9.60, seccomp filters are writable inside the jail, leading to a lack of intended seccomp restrictions for a process that is joined to the jail after a filter has been modified by an attacker.


References:
https://github.com/netblue30/firejail/commit/eecf35c2f8249489a1d3e512bb07f0d427183134
https://github.com/netblue30/firejail/issues/2718
https://github.com/netblue30/firejail/releases/tag/0.9.60

Comment 1 Laura Pardo 2019-06-03 22:12:38 UTC

Created firejail tracking bugs for this issue:

Affects: fedora-all [bug 1716681]

Comment 2 Product Security DevOps Team 2019-06-10 10:56:32 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.