Bug 1399674 (CVE-2016-9427)

Summary: CVE-2016-9427 gc: Integer overflow in GC_MALLOC_ATOMIC
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: databases-maint, dkholia, jakub, mpolacek, ohudlick, paulo.cesar.pereira.de.andrade, praiskup, rdieter, trepik
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Last Closed: 2017-04-04 08:26:40 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1399675, 1399676    
Bug Blocks: 1399678    

Description Andrej Nemec 2016-11-29 14:45:07 UTC 
A heap corruption due to integer overflow will occur in gc while parsing maliciously crafted input.

Upstream bug:

https://github.com/ivmai/bdwgc/issues/135

Upstream fixes:

https://github.com/ivmai/bdwgc/commit/4e1a6f9d8f2a49403bbd00b8c8e5324048fb84d4
https://github.com/ivmai/bdwgc/commit/7292c02fac2066d39dd1bcc37d1a7054fd1e32ee
https://github.com/ivmai/bdwgc/commit/552ad0834672fed86ada6430150ef9ebdd3f54d7

References:

http://seclists.org/oss-sec/2016/q4/321
Comment 1 Andrej Nemec 2016-11-29 14:45:43 UTC 
Created gc tracking bugs for this issue:

Affects: fedora-all [bug 1399675]
Affects: epel-5 [bug 1399676]