Note: This is a public test instance of Red Hat Bugzilla. The data contained within is a snapshot of the live data so any changes you make will not be reflected in the production Bugzilla. Email is disabled so feel free to test any aspect of the site that you want. File any problems you find or give feedback at bugzilla.redhat.com.

Bug 1441626 (CVE-2017-7610)

Summary: CVE-2017-7610 elfutils: Heap-buffer overflow in the check_group function
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: aoliva, drepper, fche, jakub, kanderso, mcermak, me, mjw, mjw, mnewsome, ohudlick, roland
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: 2017-04-12 11:28:50 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: 1441630    
Bug Blocks:    

Description Andrej Nemec 2017-04-12 11:19:40 UTC
The check_group function in elflint.c in elfutils allows attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file.

Upstream bug:

https://sourceware.org/bugzilla/show_bug.cgi?id=21320

Upstream patch:

https://sourceware.org/ml/elfutils-devel/2017-q1/msg00137.html

References:

https://blogs.gentoo.org/ago/2017/04/03/elfutils-heap-based-buffer-overflow-in-check_group-elflint-c/

Comment 1 Andrej Nemec 2017-04-12 11:26:37 UTC
Created elfutils tracking bugs for this issue:

Affects: fedora-all [bug 1441630]