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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202007-40">
  <title>Thin: Privilege escalation</title>
  <synopsis>A vulnerability was discovered in Thin which may allow local
    attackers to kill arbitrary processes (denial of service).
  </synopsis>
  <product type="ebuild">thin</product>
  <announced>2020-07-27</announced>
  <revised count="1">2020-07-27</revised>
  <bug>642200</bug>
  <access>local</access>
  <affected>
    <package name="www-servers/thin" auto="yes" arch="*">
      <vulnerable range="le">1.7.2</vulnerable>
    </package>
  </affected>
  <background>
    <p>Thin is a small and fast Ruby web server.</p>
  </background>
  <description>
    <p>It was discovered that Gentoo’s Thin ebuild does not properly handle
      its temporary runtime directories. This only affects OpenRC systems, as
      the flaw was exploitable via the init script.
    </p>
  </description>
  <impact type="normal">
    <p>A local attacker could cause denial of service by killing arbitrary
      processes.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>Gentoo has discontinued support for Thin. We recommend that users
      unmerge Thin:
    </p>
    
    <code>
      # emerge --unmerge "www-servers/thin"
    </code>
    
    <p>NOTE: The Gentoo developer(s) maintaining Thin have discontinued support
      at this time. It may be possible that a new Gentoo developer will update
      Thin at a later date. There are many other web servers available in the
      tree in the www-servers category.
    </p>
  </resolution>
  <references>
  </references>
  <metadata tag="requester" timestamp="2020-06-14T00:47:13Z">sam_c</metadata>
  <metadata tag="submitter" timestamp="2020-07-27T00:48:08Z">sam_c</metadata>
</glsa>