Bug 1654468 (CVE-2018-19477) - CVE-2018-19477 ghostscript: access bypass in psi/zfjbig2.c (700168)
Summary: CVE-2018-19477 ghostscript: access bypass in psi/zfjbig2.c (700168)
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-19477
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard: impact=important,public=20181120,repo...
Depends On: 1654470 1661278 1661279 1661280
Blocks: 1654472
TreeView+ depends on / blocked
 
Reported: 2018-11-28 20:51 UTC by Laura Pardo
Modified: 2019-06-08 23:44 UTC (History)
4 users (show)

Fixed In Version: ghostscript 9.26
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2019-02-01 14:02:42 UTC


Attachments (Terms of Use)


Links
System ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2019:0229 None None None 2019-01-31 18:19:40 UTC

Description Laura Pardo 2018-11-28 20:51:10 UTC
A vulnerability was found in Artifex Ghostscript before 9.26. A JBIG2Decode type confusion in psi/zfjbig2.c allows remote attackers to bypass intended access restrictions. 


References:
https://bugs.ghostscript.com/show_bug.cgi?id=700168 
https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26

Upstream Patches:
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=ef252e7dc214bcbd9a2539216aab9202848602bb 
http://git.ghostscript.com/?p=ghostpdl.git;h=606a22e77e7f081781e99e44644cd0119f559e03

Comment 1 Laura Pardo 2018-11-28 20:51:37 UTC
Created ghostscript tracking bugs for this issue:

Affects: fedora-all [bug 1654470]

Comment 2 Cedric Buissart 🐶 2018-12-05 12:38:08 UTC
Mitigation:

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

Comment 4 Cedric Buissart 🐶 2018-12-19 17:59:00 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 7 errata-xmlrpc 2019-01-31 18:19:39 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:0229 https://access.redhat.com/errata/RHSA-2019:0229


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