Bug 1490898 (CVE-2017-2923)

Summary:	CVE-2017-2923 freexl: Heap-based buffer overflow in the read_biff_next_record function
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	ccoleman, dedgar, dmcphers, jgoulding, volker27
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	freexl 1.0.4	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-10-21 11:56:58 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:	1490901, 1490902
Bug Blocks:	1490900

Description Andrej Nemec 2017-09-12 12:45:02 UTC

An exploitable heap based buffer overflow vulnerability exists in the read_biff_next_record function of FreeXL 1.0.3. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.

External References:

https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0430

Comment 1 Andrej Nemec 2017-09-12 12:48:38 UTC

Created freexl tracking bugs for this issue:

Affects: epel-all [bug 1490901]
Affects: openshift-1 [bug 1490902]