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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200909-15">
+ <title>Lynx: Arbitrary command execution</title>
+ <synopsis>
+ An incomplete fix for an issue related to the Lynx URL handler might allow
+ for the remote execution of arbitrary commands.
+ </synopsis>
+ <product type="ebuild">lynx</product>
+ <announced>2009-09-12</announced>
+ <revised count="01">2009-09-12</revised>
+ <bug>243058</bug>
+ <access>remote</access>
+ <affected>
+ <package name="www-client/lynx" auto="yes" arch="*">
+ <unaffected range="ge">2.8.6-r4</unaffected>
+ <vulnerable range="lt">2.8.6-r4</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ Lynx is a fully-featured WWW client for users running
+ cursor-addressable, character-cell display devices such as vt100
+ terminals and terminal emulators.
+ </p>
+ </background>
+ <description>
+ <p>
+ Clint Ruoho reported that the fix for CVE-2005-2929 (GLSA 200511-09)
+ only disabled the lynxcgi:// handler when not using the advanced mode.
+ </p>
+ </description>
+ <impact type="normal">
+ <p>
+ A remote attacker can entice a user to access a malicious HTTP server,
+ causing Lynx to execute arbitrary commands. NOTE: The advanced mode is
+ not enabled by default. Successful exploitation requires the
+ "lynxcgi://" protocol to be registered with lynx on the victim's
+ system.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All Lynx users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=www-client/lynx-2.8.6-r4"</code>
+ </resolution>
+ <references>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2929">CVE-2005-2929</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4690">CVE-2008-4690</uri>
+ <uri link="https://www.gentoo.org/security/en/glsa/glsa-200511-09.xml">GLSA 200511-09</uri>
+ </references>
+ <metadata tag="requester" timestamp="2009-08-07T11:47:31Z">
+ rbu
+ </metadata>
+ <metadata tag="submitter" timestamp="2009-08-28T08:16:43Z">
+ a3li
+ </metadata>
+ <metadata tag="bugReady" timestamp="2009-08-31T03:37:19Z">
+ a3li
+ </metadata>
+</glsa>