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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201409-10">
<title>Bash: Code Injection (Updated fix for GLSA 201409-09)</title>
<synopsis>A parsing flaw related to functions and environments in Bash could
allow attackers to inject code. The unaffected packages listed in GLSA
201409-09 had an incomplete fix.
</synopsis>
<product type="ebuild">bash</product>
<announced>September 25, 2014</announced>
<revised>October 04, 2014: 2</revised>
<bug>523592</bug>
<access>local, remote</access>
<affected>
<package name="app-shells/bash" auto="yes" arch="*">
<unaffected range="rge">3.1_p18-r1</unaffected>
<unaffected range="rge">3.2_p52-r1</unaffected>
<unaffected range="rge">4.0_p39-r1</unaffected>
<unaffected range="rge">4.1_p12-r1</unaffected>
<unaffected range="ge">4.2_p48-r1</unaffected>
<vulnerable range="lt">4.2_p48-r1</vulnerable>
</package>
</affected>
<background>
<p>Bash is the standard GNU Bourne Again SHell.</p>
</background>
<description>
<p>Stephane Chazelas reported that Bash incorrectly handles function
definitions, allowing attackers to inject arbitrary code (CVE-2014-6271).
Gentoo Linux informed about this issue in GLSA 201409-09.
</p>
<p>Tavis Ormandy reported that the patch for CVE-2014-6271 was incomplete.
As such, this GLSA supersedes GLSA 201409-09.
</p>
</description>
<impact type="high">
<p>A remote attacker could exploit this vulnerability to execute arbitrary
commands even in restricted environments.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Bash 3.1 users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-shells/bash-3.1_p18-r1:3.1"
</code>
<p>All Bash 3.2 users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-shells/bash-3.2_p52-r1:3.2"
</code>
<p>All Bash 4.0 users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-shells/bash-4.0_p39-r1:4.0"
</code>
<p>All Bash 4.1 users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-shells/bash-4.1_p12-r1:4.1"
</code>
<p>All Bash 4.2 users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-shells/bash-4.2_p48-r1"
</code>
</resolution>
<references>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7169">CVE-2014-7169</uri>
</references>
<metadata tag="requester" timestamp="Thu, 25 Sep 2014 12:49:54 +0000">
keytoaster
</metadata>
<metadata tag="submitter" timestamp="Sat, 04 Oct 2014 22:27:37 +0000">
keytoaster
</metadata>
</glsa>
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