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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+
+<glsa id="200503-12">
+  <title>Hashcash: Format string vulnerability</title>
+  <synopsis>
+    A format string vulnerability in the Hashcash utility could allow an
+    attacker to execute arbitrary code.
+  </synopsis>
+  <product type="ebuild">Hashcash</product>
+  <announced>March 06, 2005</announced>
+  <revised>May 22, 2006: 02</revised>
+  <bug>83541</bug>
+  <access>remote</access>
+  <affected>
+    <package name="net-misc/hashcash" auto="yes" arch="*">
+      <unaffected range="ge">1.16-r1</unaffected>
+      <vulnerable range="lt">1.16-r1</vulnerable>
+    </package>
+  </affected>
+  <background>
+    <p>
+    Hashcash is a utility for generating Hashcash tokens, a proof-of-work
+    system to reduce the impact of spam.
+    </p>
+  </background>
+  <description>
+    <p>
+    Tavis Ormandy of the Gentoo Linux Security Audit Team identified a flaw
+    in the Hashcash utility that an attacker could expose by specifying a
+    malformed reply address.
+    </p>
+  </description>
+  <impact type="normal">
+    <p>
+    Successful exploitation would permit an attacker to disrupt Hashcash
+    users, and potentially execute arbitrary code.
+    </p>
+  </impact>
+  <workaround>
+    <p>
+    There is no known workaround at this time.
+    </p>
+  </workaround>
+  <resolution>
+    <p>
+    All Hashcash users should upgrade to the latest version:
+    </p>
+    <code>
+    # emerge --sync
+    # emerge --ask --oneshot --verbose &quot;&gt;=net-misc/hashcash-1.16-r1&quot;</code>
+  </resolution>
+  <references>
+    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0687">CVE-2005-0687</uri>
+  </references>
+  <metadata tag="requester" timestamp="Wed,  2 Mar 2005 21:44:06 +0000">
+    koon
+  </metadata>
+  <metadata tag="submitter" timestamp="Wed,  2 Mar 2005 22:42:04 +0000">
+    taviso
+  </metadata>
+  <metadata tag="bugReady" timestamp="Sun,  6 Mar 2005 10:00:09 +0000">
+    koon
+  </metadata>
+</glsa>