Bug 1462164 (CVE-2017-1000376) - CVE-2017-1000376 libffi: Requests an executable stack
Summary: CVE-2017-1000376 libffi: Requests an executable stack
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2017-1000376
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1462831 1462830 1462832
Blocks: 1449010 1463201
TreeView+ depends on / blocked
 
Reported: 2017-06-16 10:50 UTC by Andrej Nemec
Modified: 2019-09-29 14:14 UTC (History)
26 users (show)

Fixed In Version:
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Environment:
Last Closed: 2017-07-03 10:34:47 UTC


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Description Andrej Nemec 2017-06-16 10:50:28 UTC
libffi requests an executable stack allowing attackers to more easily trigger arbitrary code execution by overwriting the stack. Please note that libffi is used by a number of other libraries.

Upstream patch:

https://github.com/libffi/libffi/commit/978c9540154d320525488db1b7049277122f736d

Comment 1 Andrej Nemec 2017-06-16 10:50:40 UTC
Acknowledgments:

Name: Qualys Inc

Comment 2 Andrej Nemec 2017-06-16 10:51:28 UTC
External References:

https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt

Comment 3 Petr Matousek 2017-06-19 16:08:24 UTC
Created libffi tracking bugs for this issue:

Affects: fedora-all [bug 1462832]


Created mingw-libffi tracking bugs for this issue:

Affects: epel-7 [bug 1462830]
Affects: fedora-all [bug 1462831]


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