Bug 1549720 (CVE-2018-7435)

Summary:	CVE-2018-7435 freexl: heap-buffer-overflow in freexl::destroy_cell
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	ccoleman, dedgar, dmcphers, jgoulding, rhel8-maint, volker27
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	freexl 1.0.5	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-05-20 21:17:15 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:	1553438, 1554507, 1554508
Bug Blocks:	1549721

Description Laura Pardo 2018-02-27 17:26:20 UTC

An issue was discovered in FreeXL before 1.0.5. There is a heap-based buffer over-read in the freexl::destroy_cell function. An attacker can send a malicious crafted xls file to trigger this vulnerability.


References:
https://bugzilla.redhat.com/show_bug.cgi?id=1547879

Comment 1 Tomas Hoger 2018-03-08 21:17:46 UTC

All 5 issues (CVE-2018-7435 - CVE-2018-7439) were fixed upstream in version 1.0.5:

https://groups.google.com/forum/#%21topic/spatialite-users/b-d9iB5TDPE

Upstream commits (not split by CVE):

https://www.gaia-gis.it/fossil/freexl/info/1f00f424a24b355e
https://www.gaia-gis.it/fossil/freexl/info/97c9f43cea4fcd54

Comment 4 Product Security DevOps Team 2020-05-20 21:17:15 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-2018-7435