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Bug 1441627 (CVE-2017-7611)

Summary: CVE-2017-7611 elfutils: Heap-buffer overflow in the check_symtab_shndx 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   
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Clone Of: Environment:
Last Closed: 2017-04-12 11:28:58 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: 1441630    
Bug Blocks:    

Description Andrej Nemec 2017-04-12 11:21:19 UTC
The check_symtab_shndx 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=21310

Upstream patch:

https://sourceware.org/ml/elfutils-devel/2017-q1/msg00129.html

References:

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

Comment 1 Andrej Nemec 2017-04-12 11:26:50 UTC
Created elfutils tracking bugs for this issue:

Affects: fedora-all [bug 1441630]