Bug 627226 (CVE-2017-12596)

Summary:	<media-libs/openexr-2.3.0: denial of service in hufDecode function (CVE-2017-12596)
Product:	Gentoo Security	Reporter:	Aleksandr Wagner (Kivak) <alwag>
Component:	Vulnerabilities	Assignee:	Gentoo Security <security>
Status:	RESOLVED FIXED
Severity:	normal	CC:	media-video
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
See Also:	https://github.com/gentoo/gentoo/pull/9729
Whiteboard:	B3 [noglsa cve]
Package list:		Runtime testing required:	---
Bug Depends on:	620324
Bug Blocks:

Description Aleksandr Wagner (Kivak) 2017-08-07 08:04:01 UTC

CVE-2017-12596 (http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12596):

In OpenEXR 2.2.0, a crafted image causes a heap-based buffer over-read in the hufDecode function in IlmImf/ImfHuf.cpp during exrmaketiled execution; it may result in denial of service or possibly unspecified other impact. 

References:

https://github.com/openexr/openexr/issues/238
https://github.com/xiaoqx/pocs/blob/master/openexr.md