Bug 1620386 (CVE-2018-15672)

Summary:	CVE-2018-15672 hdf5: Divide-by-zero in the function H5D__chunk_init() resulting in a denial of service
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	abhgupta, anto.trande, apevec, c.david86, chrisw, dakingun, dbaker, hbrock, igor.raits, jjoyce, jokerman, jschluet, jslagle, lhh, lpeer, markmc, mburns, orion, rbryant, sclewis, slinaber, sthangav, tdecacqu, trankin
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:	2021-10-25 22:17:02 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1620389, 1620390, 1623832, 1623833, 1623834, 1623835, 1623836, 1623837
Bug Blocks:	1620393

Description Andrej Nemec 2018-08-23 06:26:43 UTC

An issue was discovered in the HDF HDF5 1.10.2 library. A SIGFPE is raised in the function H5D__chunk_init() of H5Dchunk.c during an attempted parse of a crafted HDF file, because of incorrect protection against division by zero.

References:

https://github.com/SegfaultMasters/covering360/tree/master/HDF5#divided-by-zero---divbyzero__h5d_chunk_poc

Comment 1 Andrej Nemec 2018-08-23 06:28:38 UTC

Created hdf5 tracking bugs for this issue:

Affects: epel-all [bug 1620390]
Affects: fedora-all [bug 1620389]