Bug 1537951 (CVE-2017-17858)

Summary:	CVE-2017-17858 mupdf: Heap-based buffer overflow in pdf/pdf-xref.c:ensure_solid_xref() could allow an attacker to execute arbitrary code via a crafted PDF 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:	mjg
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 03:38:11 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1537952
Bug Blocks:

Description Sam Fowler 2018-01-24 07:23:27 UTC

Heap-based buffer overflow in the ensure_solid_xref function in pdf/pdf-xref.c in Artifex MuPDF 1.12.0 allows a remote attacker to potentially execute arbitrary code via a crafted PDF file, because xref subsection object numbers are unrestricted.

External References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-17858
https://github.com/mzet-/Security-Advisories/blob/master/mzet-adv-2017-01.md

Upstream Issue:
https://bugs.ghostscript.com/show_bug.cgi?id=698819

Upstream Patch:
https://build.opensuse.org/request/show/568499

Comment 1 Sam Fowler 2018-01-24 07:23:45 UTC

Created mupdf tracking bugs for this issue:

Affects: fedora-all [bug 1537952]

Comment 2 Product Security DevOps Team 2019-06-08 03:38:11 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.