Bug 1789459 (CVE-2019-20367)

Summary:	CVE-2019-20367 libbsd: Out-of-bounds read in nlist.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	spacewar, steve, tachoknight
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:	2020-01-09 20:09:25 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:	1789460, 1789461
Bug Blocks:

Description Pedro Sampaio 2020-01-09 15:46:29 UTC

nlist.c in libbsd before 0.10.0 has an out-of-bounds read during a comparison for a symbol name from the string table (strtab).

References:

https://gitlab.freedesktop.org/libbsd/libbsd/commit/9d917aad37778a9f4a96ba358415f077f3f36f3b
https://lists.freedesktop.org/archives/libbsd/2019-August/000229.html

Comment 1 Pedro Sampaio 2020-01-09 15:46:52 UTC

Created libbsd tracking bugs for this issue:

Affects: epel-all [bug 1789461]
Affects: fedora-all [bug 1789460]

Comment 2 Product Security DevOps Team 2020-01-09 20:09:25 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.