Bug 1642940 (CVE-2018-18284)

Summary:	CVE-2018-18284 ghostscript: 1Policy operator allows a sandbox protection bypass
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	mosvald, pmatouse, rskvaril, twaugh, zdohnal
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	ghostscript 9.26	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-12-18 08:45:02 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:	1642941, 1642943, 1643115, 1643117
Bug Blocks:	1642944

Description Andrej Nemec 2018-10-25 10:49:34 UTC

Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving the 1Policy operator.

References:

https://www.openwall.com/lists/oss-security/2018/10/16/2
https://bugs.chromium.org/p/project-zero/issues/detail?id=1696
git.ghostscript.com/?p=ghostpdl.git;h=8d19fdf63f91f50466b08f23e2d93d37a4c5ea0b

Comment 2 Andrej Nemec 2018-10-25 10:51:04 UTC

Created ghostscript tracking bugs for this issue:

Affects: fedora-all [bug 1642943]

Comment 11 errata-xmlrpc 2018-12-17 19:58:23 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:3834 https://access.redhat.com/errata/RHSA-2018:3834

Comment 12 Cedric Buissart 2018-12-18 08:45:05 UTC

Statement:

Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Important, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

Comment 13 Cedric Buissart 2018-12-18 08:45:06 UTC

Mitigation:

Please refer to the "Mitigation" section of CVE-2018-16509 : https://access.redhat.com/security/cve/cve-2018-16509