Bug 1870258 (CVE-2020-16303) - CVE-2020-16303 ghostscript: use-after-free in xps_finish_image_path() in devices/vector/gdevxps.c could result in a privilege escalation
Summary: CVE-2020-16303 ghostscript: use-after-free in xps_finish_image_path() in devi...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2020-16303
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1870263 1872817 1872818
Blocks: 1870273
TreeView+ depends on / blocked
 
Reported: 2020-08-19 15:34 UTC by Michael Kaplan
Modified: 2021-05-18 20:35 UTC (History)
8 users (show)

Fixed In Version: ghostscript 9.51
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Environment:
Last Closed: 2021-05-18 20:35:54 UTC
Embargoed:

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Description Michael Kaplan 2020-08-19 15:34:20 UTC 
A use-after-free vulnerability in xps_finish_image_path() in devices/vector/gdevxps.c of Artifex Software GhostScript v9.50 allows a remote attacker to escalate privileges via a crafted PDF file. This is fixed in v9.51.

References:

https://bugs.ghostscript.com/show_bug.cgi?id=701818
https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=94d8955cb77
Comment 1 Michael Kaplan 2020-08-19 15:35:13 UTC 
Created ghostscript tracking bugs for this issue:

Affects: fedora-all [bug 1870263]
Comment 6 errata-xmlrpc 2021-05-18 15:37:22 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:1852 https://access.redhat.com/errata/RHSA-2021:1852
Comment 7 Product Security DevOps Team 2021-05-18 20:35:54 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-16303
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