Bug 1671443 (CVE-2019-7149)

Summary:	CVE-2019-7149 elfutils: heap-based buffer over-read in read_srclines in dwarf_getsrclines.c in libdw
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	abhgupta, dbaker, drepper, jakub, jokerman, mcermak, mjw, mnewsome, ohudlick, sthangav, tborcin, trankin
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:	2019-08-06 13:21:38 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:	1671444, 1680054, 1680055, 1680056
Bug Blocks:	1671448

Description Laura Pardo 2019-01-31 15:34:14 UTC

A heap-based buffer over-read was discovered in the function read_srclines in dwarf_getsrclines.c in libdw in elfutils 0.175. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by eu-nm.


References:
https://sourceware.org/bugzilla/show_bug.cgi?id=24102
https://sourceware.org/ml/elfutils-devel/2019-q1/msg00068.html

Upstream Patch:
https://sourceware.org/git/?p=elfutils.git;a=commit;h=2562759d6fe5b364fe224852e64e8bda39eb2e35

Comment 1 Laura Pardo 2019-01-31 15:34:25 UTC

Created elfutils tracking bugs for this issue:

Affects: fedora-all [bug 1671444]

Comment 4 Dave Baker 2019-03-06 16:04:59 UTC

Flagging openshift-online-3 as NOTAFFECTED since binaries ship as part of RHEL.

Comment 5 errata-xmlrpc 2019-08-06 12:27:11 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2197 https://access.redhat.com/errata/RHSA-2019:2197

Comment 6 Product Security DevOps Team 2019-08-06 13:21:38 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-2019-7149

Comment 7 errata-xmlrpc 2019-11-05 21:13:37 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2019:3575 https://access.redhat.com/errata/RHSA-2019:3575