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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200711-13">
<title>3proxy: Denial of Service</title>
A vulnerability has been discovered in 3proxy, possibly resulting in a
Denial of Service.
<product type="ebuild">3proxy</product>
<announced>November 08, 2007</announced>
<revised>November 08, 2007: 01</revised>
<package name="net-proxy/3proxy" auto="yes" arch="*">
<unaffected range="ge">0.5.3j</unaffected>
<vulnerable range="lt">0.5.3j</vulnerable>
3proxy is a really tiny cross-platform proxy servers set, including
HTTP, HTTPS, FTP, SOCKS and POP3 support.
3proxy contains a double free vulnerability in the ftpprchild()
function, which frees param->hostname and calls the parsehostname()
function, which in turn attempts to free param->hostname again.
<impact type="normal">
A remote attacker could send a specially crafted request to the proxy,
possibly resulting in a Denial of Service. Under typical configuration,
the scope of this vulnerability is limited to the local network.
There is no known workaround at this time.
All 3proxy users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=net-proxy/3proxy-0.5.3j&quot;</code>
<uri link="">CVE-2007-5622</uri>
<metadata tag="requester" timestamp="Fri, 02 Nov 2007 23:15:07 +0000">
<metadata tag="submitter" timestamp="Sat, 03 Nov 2007 12:02:00 +0000">
<metadata tag="bugReady" timestamp="Sun, 04 Nov 2007 14:26:02 +0000">