Bug 1870149 (CVE-2020-16290)

Summary: CVE-2020-16290 ghostscript: buffer overflow in jetp3852_print_page() in devices/gdev3852.c could result in a DoS
Product: [Other] Security Response Reporter: Michael Kaplan <mkaplan>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: akostadi, amasferr, chazlett, deekej, dmayorov, jlledo, jlyle, mosvald, pantinor, rhel-process-autobot, tsedmik, twaugh, watson-tool-maintainers, zdohnal
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: ghostscript 9.51 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-05-18 20:34:46 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: 1870150, 1870720, 1870721    
Bug Blocks: 1870273    

Description Michael Kaplan 2020-08-19 12:57:01 UTC 
A buffer overflow vulnerability in jetp3852_print_page() in devices/gdev3852.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.

References:

http://git.ghostscript.com/?p=ghostpdl.git;h=93cb0c0adbd9bcfefd021d59c472388f67d3300d
https://bugs.ghostscript.com/show_bug.cgi?id=701786
Comment 1 Michael Kaplan 2020-08-19 12:57:18 UTC 
Created ghostscript tracking bugs for this issue:

Affects: fedora-all [bug 1870150]
Comment 2 Todd Cullum 2020-08-20 15:51:54 UTC 
Flaw summary:

In the driver /devices/gdev3852.c, a high resolution file could overflow the stack buffer because there was no check for size in jetp3852_print_page(), resulting in denial of service. The patch ensures that if the scanline size is larger than the buffer, it will error out instead of overflow the stack.
Comment 4 Todd Cullum 2020-08-20 16:56:19 UTC 
Mitigation:

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Comment 6 errata-xmlrpc 2021-05-18 15:36:29 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 20:34:46 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-2020-16290