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Bug 1379634

Summary: CVE-2016-7543 bash: Specially crafted SHELLOPTS+PS4 variables allows command substitution [fedora-all]
Product: [Fedora] Fedora Reporter: Adam Mariš <amaris>
Component: bashAssignee: Siteshwar Vashisht <svashisht>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: 24CC: admiller, deekej, kdudka, svashisht
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: All   
OS: Linux   
URL: http://seclists.org/oss-sec/2016/q3/617
Whiteboard:
Fixed In Version: bash-4.3.42-7.fc24 bash-4.3.43-4.fc25 bash-4.3.42-5.fc23 Doc Type: Release Note
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-10-03 03:49:49 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Attachments:
Description Flags
Fix for CVE-2016-7543 none

Description Adam Mariš 2016-09-27 09:24:34 UTC 
This is an automatically created tracking bug!  It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.

For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.

For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs

When submitting as an update, use the fedpkg template provided in the next
comment(s).  This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.

Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.

NOTE: this issue affects multiple supported versions of Fedora. While only
one tracking bug has been filed, please correct all affected versions at
the same time.  If you need to fix the versions independent of each other,
you may clone this bug as appropriate.

[bug automatically created by: add-tracking-bugs]
Comment 1 Adam Mariš 2016-09-27 09:24:41 UTC 
Use the following template to for the 'fedpkg update' request to submit an
update for this issue as it contains the top-level parent bug(s) as well as
this tracking bug.  This will ensure that all associated bugs get updated
when new packages are pushed to stable.

=====

# bugfix, security, enhancement, newpackage (required)
type=security

# testing, stable
request=testing

# Bug numbers: 1234,9876
bugs=1379630,1379634

# Description of your update
notes=Security fix for CVE-2016-7543

# Enable request automation based on the stable/unstable karma thresholds
autokarma=True
stable_karma=3
unstable_karma=-3

# Automatically close bugs when this marked as stable
close_bugs=True

# Suggest that users restart after update
suggest_reboot=False

======

Additionally, you may opt to use the bodhi web interface to submit updates:

https://bodhi.fedoraproject.org/updates/new
Comment 2 Siteshwar Vashisht 2016-09-28 13:06:14 UTC 
Created attachment 1205497 [details]
Fix for CVE-2016-7543
Comment 3 Fedora Update System 2016-09-30 20:23:31 UTC 
bash-4.3.43-4.fc25 has been pushed to the Fedora 25 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2016-2c4b5ad64e
Comment 4 Fedora Update System 2016-10-01 05:26:39 UTC 
bash-4.3.42-5.fc23 has been pushed to the Fedora 23 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2016-f15168439d
Comment 5 Fedora Update System 2016-10-01 05:27:43 UTC 
bash-4.3.42-7.fc24 has been pushed to the Fedora 24 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2016-5a54fb4784
Comment 6 Fedora Update System 2016-10-03 03:49:49 UTC 
bash-4.3.42-7.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
Comment 7 Fedora Update System 2016-10-09 02:46:09 UTC 
bash-4.3.43-4.fc25 has been pushed to the Fedora 25 stable repository. If problems still persist, please make note of it in this bug report.
Comment 8 Fedora Update System 2016-10-13 02:54:09 UTC 
bash-4.3.42-5.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.