Bug 1420674 (CVE-2017-5932)

Summary:	CVE-2017-5932 bash: Code execution in bash autocompletion
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	admiller, kdudka, sardella, svashisht, yozone
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
Last Closed:	2017-02-09 09:44:39 UTC	Type:	---
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Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Andrej Nemec 2017-02-09 09:42:49 UTC

A vulnerability was found in GNU bash. A maliciously crafted file could allow an arbitrary code execution through user trying to use the autocomplete feature.

External References:

https://github.com/jheyens/bash_completion_vuln/blob/master/2017-01-17.bash_completion_report.pdf

References:

http://seclists.org/oss-sec/2017/q1/334

Upstream patch:

http://git.savannah.gnu.org/cgit/bash.git/commit/?id=4f747edc625815f449048579f6e65869914dd715

Comment 1 Andrej Nemec 2017-02-09 09:44:39 UTC

Statement:

This issue did not affect the versions of bash as shipped with Red Hat Enterprise Linux as they did not include the commit which introduced it.