Bug 36005 – bash: Missing sanitising (2.4)

Bug 36005 - bash: Missing sanitising (2.4)


Summary:	bash: Missing sanitising (2.4)

Status:	CLOSED FIXED

Product:	UCS
Classification:	Unclassified
Component:	Security updates
Version:	UCS 2.4
Hardware:	Other Linux

Importance:	P3 normal (vote)
Target Milestone:	UCS 2.4-sec10
Assigned To:	Janek Walkenhorst
QA Contact:	Erik Damrose

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Depends on:
Blocks:	36240
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Reported:	2014-09-26 10:32 CEST by Stefan Gohmann
Modified:	2014-10-21 08:00 CEST (History)
CC List:	4 users (show)

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Description Stefan Gohmann

2014-09-26 10:32:18 CEST

Please make a backport for UCS 2.4.

+++ This bug was initially created as a clone of Bug #35992 +++

CVE-2014-6271

Stephane Chazelas discovered a vulnerability in bash, the GNU
Bourne-Again Shell, related to how environment variables are
processed.  In many common configurations, this vulnerability is
exploitable over the network, especially if bash has been configured
as the system shell.

Additional writeup: 
https://securityblog.redhat.com/2014/09/24/bash-specially-crafted-environment-variables-code-injection-attack/

Comment 1 Janek Walkenhorst

2014-09-26 17:19:54 CEST

Patches for CVE-2014-6271 and CVE-2014-7169 added.
Tests (i386, amd64): OK

Comment 2 Erik Damrose

2014-09-26 18:08:26 CEST

OK -  amd64/i386

-> env x='() { :;}; echo vulnerable' bash -c 'echo hello'
hello


OK - reboot/boot still works

Comment 3 Janek Walkenhorst

2014-09-26 20:23:41 CEST

Hotfix announced