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...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2016-9190
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1380811
Blocks: 1382009
TreeView+ depends on / blocked
 
Reported: 2016-10-05 13:51 UTC by Adam Mariš
Modified: 2021-02-17 03:13 UTC (History)
5 users (show)

Fixed In Version: python-pillow 3.3.2
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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.
Clone Of:
Environment:
Last Closed: 2016-12-12 01:48:23 UTC
Embargoed:

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Description Adam Mariš 2016-10-05 13:51:43 UTC 
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 13:51:52 UTC 
Acknowledgments:

Name: the Pillow project
Comment 2 Andrej Nemec 2016-11-07 09:15:36 UTC 
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 2016-12-12 02:06:03 UTC 
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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