Bug 1571609 (CVE-2017-12086)

Summary:	CVE-2017-12086 blender: Integer overflow in BKE_mesh_calc_normals_tessface potentially leading to code execution
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	design-devel, hobbes1069, kwizart, luya_tfz, negativo17, promac
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
Last Closed:	2019-06-10 10:20:31 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:	1571611, 1571612
Bug Blocks:

Description Adam Mariš 2018-04-25 08:25:16 UTC

An exploitable integer overflow exists in the 'BKE_mesh_calc_normals_tessface' functionality of the Blender open-source 3d creation suite. A specially crafted .blend file can cause an integer overflow resulting in a buffer overflow which can allow for code execution under the context of the application. An attacker can convince a user to open a .blend file in order to trigger this vulnerability.

External References:

https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0438

Comment 1 Adam Mariš 2018-04-25 08:25:45 UTC

Created blender tracking bugs for this issue:

Affects: fedora-all [bug 1571611]
Affects: epel-7 [bug 1571612]

Comment 2 Product Security DevOps Team 2019-06-10 10:20:31 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.