Bug 1382006 – CVE-2016-9190 python-pillow: Missing check for negative image dimensions in ImagingNew (Storage.c)

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Bug 1382006 - (CVE-2016-9190) CVE-2016-9190 python-pillow: Missing check for negative image dimensions in ImagingNew (Storage.c)

Summary:	CVE-2016-9190 python-pillow: Missing check for negative image dimensions in I...

Status:	CLOSED WONTFIX

Aliases:	CVE-2016-9190

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

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=moderate,public=20161003,repor...
Keywords:	Security

Depends On:	1380811
Blocks:	1382009
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Reported:	2016-10-05 09:51 EDT by Adam Mariš
Modified:	2016-12-11 21:06 EST (History)
CC List:	5 users (show)

See Also:
Fixed In Version:	python-pillow 3.3.2
Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in python-pillow. A crafted image file with negative dimensions could cause a buffer to be under-allocated, leading to arbitrary writes on the heap which could cause a crash or, potentially, code execution.
Story Points:	---
Clone Of:
Environment:
Last Closed:	2016-12-11 20:48:23 EST
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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Description Adam Mariš 2016-10-05 09:51:43 EDT

It was found that in storage.c, the image size is not checked for negative values. This can lead to a null pointer dereference in 3.3.x, or a dereference of junk memory prior to that.

Upstream patch:

https://github.com/python-pillow/Pillow/commit/5d8a0be45aad78c5a22c8d099118ee26ef8144af

Comment 1 Adam Mariš 2016-10-05 09:51:52 EDT

Acknowledgments:

Name: the Pillow project

Comment 2 Andrej Nemec 2016-11-07 04:15:36 EST

Upstream bug:

https://github.com/python-pillow/Pillow/issues/2105

References:

http://pillow.readthedocs.io/en/3.4.x/releasenotes/3.3.2.html

Comment 3 Doran Moppert 2016-12-11 21:06:03 EST

Statement:

Red Hat Product Security has rated this issue as having Moderate security
impact. This issue is not currently planned to be addressed in future
updates. For additional information, refer to the Issue Severity
Classification: https://access.redhat.com/security/updates/classification/.

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