Bug 1642584 – CVE-2018-18073 ghostscript: saved execution stacks can leak operator arrays

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Bug 1642584 - (CVE-2018-18073) CVE-2018-18073 ghostscript: saved execution stacks can leak operator arrays

Summary:	CVE-2018-18073 ghostscript: saved execution stacks can leak operator arrays

Status:	NEW

Aliases:	CVE-2018-18073

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	high Severity high
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Assigned To:	Red Hat Product Security
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Whiteboard:	impact=important,public=20181009,repo...
Keywords:	Security

Depends On:	1642585 1642586 1645516 1645517
Blocks:	1632473
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Reported:	2018-10-24 13:54 EDT by Laura Pardo
Modified:	2018-11-02 09:49 EDT (History)
CC List:	3 users (show)

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Description Laura Pardo 2018-10-24 13:54:57 EDT

Artifex Ghostscript allows attackers to bypass a sandbox protection mechanism by leveraging exposure of system operators in the saved execution stack in an error object. 

References:
http://www.openwall.com/lists/oss-security/2018/10/10/12 
https://bugs.chromium.org/p/project-zero/issues/detail?id=1690

Upstream Patch:
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=34cc326eb2c5695833361887fe0b32e8d987741c

Comment 1 Laura Pardo 2018-10-24 13:55:36 EDT

Created ghostscript tracking bugs for this issue:

Affects: fedora-all [bug 1642585]

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