Bug 1539514 (CVE-2018-5759)

Summary:	CVE-2018-5759 mujs: Improper management of AST depth in jsparse.c can allow a remote attacker to cause a denial of service via a crafted file
Product:	[Other] Security Response	Reporter:	Sam Fowler <sfowler>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	psabata
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
Last Closed:	2019-06-08 03:38:30 UTC	Type:	---
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Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1539515
Bug Blocks:

Description Sam Fowler 2018-01-29 05:24:57 UTC

jsparse.c in Artifex MuJS through 1.0.2 does not properly maintain the AST depth for binary expressions, which allows remote attackers to cause a denial of service (excessive recursion) via a crafted file.

External References:
https://nvd.nist.gov/vuln/detail/CVE-2018-5759

Upstream Patch:
http://git.ghostscript.com/?p=mujs.git;a=commit;h=4d45a96e57fbabf00a7378b337d0ddcace6f38c1

Comment 1 Sam Fowler 2018-01-29 05:25:24 UTC

Created mujs tracking bugs for this issue:

Affects: fedora-all [bug 1539515]

Comment 2 Product Security DevOps Team 2019-06-08 03:38:30 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.