Bug 1568185 (CVE-2018-3849)

Summary:	CVE-2018-3849 cfitsio: Stack-based buffer overflow in ffghtb() allows for potential code execution
Product:	[Other] Security Response	Reporter:	Sam Fowler <sfowler>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	ccoleman, dedgar, dmcphers, jgoulding, orion, rhel8-maint, sergio.pasra
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	cfitsio 3.43	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-05-20 21:17:22 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Bug Depends On:	1568186, 1568187, 1568188, 1568189
Bug Blocks:	1563918

Description Sam Fowler 2018-04-17 00:03:18 UTC

CFITSIO through version 3.42 has a stack-based buffer overflow vulnerability in the ffghtb() function that can potentially allow an attacker to execute code via a crafted FIT image file.


External References:

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0531
https://heasarc.gsfc.nasa.gov/FTP/software/fitsio/c/docs/changes2.txt


Additional References:

https://github.com/astropy/astropy/pull/7274

Comment 1 Sam Fowler 2018-04-17 00:12:07 UTC

Created cfitsio tracking bugs for this issue:

Affects: fedora-all [bug 1568189]
Affects: epel-all [bug 1568186]

Comment 3 Product Security DevOps Team 2020-05-20 21:17:22 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-3849