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authorAlex Legler <alex@a3li.li>2015-03-08 22:02:38 +0100
committerAlex Legler <alex@a3li.li>2015-03-08 22:02:38 +0100
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+<?xml version="1.0" encoding="utf-8"?>
+<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
+<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+
+<glsa id="200602-11">
+ <title>OpenSSH, Dropbear: Insecure use of system() call</title>
+ <synopsis>
+ A flaw in OpenSSH and Dropbear allows local users to elevate their
+ privileges via scp.
+ </synopsis>
+ <product type="ebuild">OpenSSH</product>
+ <announced>February 20, 2006</announced>
+ <revised>February 20, 2006: 01</revised>
+ <bug>119232</bug>
+ <access>local</access>
+ <affected>
+ <package name="net-misc/openssh" auto="yes" arch="*">
+ <unaffected range="ge">4.2_p1-r1</unaffected>
+ <vulnerable range="lt">4.2_p1-r1</vulnerable>
+ </package>
+ <package name="net-misc/dropbear" auto="yes" arch="*">
+ <unaffected range="ge">0.47-r1</unaffected>
+ <vulnerable range="lt">0.47-r1</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ OpenSSH is a free application suite consisting of server and
+ clients that replace tools like telnet, rlogin, rcp and ftp with more
+ secure versions offering additional functionality. Dropbear is an SSH
+ server and client designed with a small memory footprint that includes
+ OpenSSH scp code.
+ </p>
+ </background>
+ <description>
+ <p>
+ To copy from a local filesystem to another local filesystem, scp
+ constructs a command line using 'cp' which is then executed via
+ system(). Josh Bressers discovered that special characters are not
+ escaped by scp, but are simply passed to the shell.
+ </p>
+ </description>
+ <impact type="low">
+ <p>
+ By tricking other users or applications to use scp on maliciously
+ crafted filenames, a local attacker user can execute arbitrary commands
+ with the rights of the user running scp.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All OpenSSH users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose &quot;&gt;=net-misc/openssh-4.2_p1-r1&quot;</code>
+ <p>
+ All Dropbear users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose &quot;&gt;=net-misc/dropbear-0.47-r1&quot;</code>
+ </resolution>
+ <references>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0225">CVE-2006-0225</uri>
+ </references>
+ <metadata tag="requester" timestamp="Mon, 06 Feb 2006 20:22:40 +0000">
+ jaervosz
+ </metadata>
+ <metadata tag="submitter" timestamp="Tue, 07 Feb 2006 06:29:22 +0000">
+ frilled
+ </metadata>
+ <metadata tag="bugReady" timestamp="Mon, 20 Feb 2006 20:03:36 +0000">
+ koon
+ </metadata>
+</glsa>