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<?xml version="1.0" encoding="UTF-8"?>
<glsa id="201301-02">
<title>HAProxy: Arbitrary code execution</title>
<synopsis>A buffer overflow in HAProxy may allow execution of arbitrary code.</synopsis>
<product type="ebuild">haproxy</product>
<announced>January 08, 2013</announced>
<revised>January 08, 2013: 1</revised>
<package name="net-proxy/haproxy" auto="yes" arch="*">
<unaffected range="ge">1.4.21</unaffected>
<vulnerable range="lt">1.4.21</vulnerable>
<p>HAProxy is a TCP/HTTP reverse proxy for high availability environments.</p>
<p>A boundary error in HAProxy could cause a buffer overflow when header
rewriting is enabled and the configuration sets global.tune.bufsize to a
value greater than the default (16384 bytes).
<impact type="high">
<p>A remote attacker could possibly execute arbitrary code with the
privileges of the process or cause a Denial of Service condition.
<p>There is no known workaround at this time.</p>
<p>All HAProxy users should upgrade to the latest version:</p>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=net-proxy/haproxy-1.4.21"
<uri link="">CVE-2012-2942</uri>
<metadata tag="requester" timestamp="Sun, 10 Jun 2012 15:38:17 +0000">
<metadata tag="submitter" timestamp="Tue, 08 Jan 2013 23:51:14 +0000">ackle</metadata>