Bug 1665582 (CVE-2018-20430)

Summary:	CVE-2018-20430 libextractor: out-of-bounds read vulnerability in history_extract in plugins/ole2_extractor.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	gwync, rh-bugzilla, sheltren
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:	2019-06-10 10:45:13 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:	1665583
Bug Blocks:

Description Laura Pardo 2019-01-11 20:33:04 UTC

GNU Libextractor through 1.8 has an out-of-bounds read vulnerability in the function history_extract() in plugins/ole2_extractor.c, related to EXTRACTOR_common_convert_to_utf8 in common/convert.c.


References:
https://gnunet.org/bugs/view.php?id=5493
https://gnunet.org/git/libextractor.git/tree/ChangeLog

Upstream Patch:
https://gnunet.org/git/libextractor.git/commit/?id=b405d707b36e0654900cba78e89f49779efea110

Comment 1 Laura Pardo 2019-01-11 20:33:18 UTC

Created libextractor tracking bugs for this issue:

Affects: fedora-all [bug 1665583]

Comment 2 Product Security DevOps Team 2019-06-10 10:45:13 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.