<?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>