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: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: 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:
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