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<?xml version="1.0" encoding="utf-8"?>
<glsa id="201006-21">
<title>UnrealIRCd: Multiple vulnerabilities</title>
Multiple vulnerabilities in UnrealIRCd might allow remote attackers to
compromise the "unrealircd" account, or cause a Denial of Service.
<product type="ebuild">unrealircd</product>
<announced>June 14, 2010</announced>
<revised>June 14, 2010: 02</revised>
<package name="net-irc/unrealircd" auto="yes" arch="*">
<unaffected range="ge"></unaffected>
<vulnerable range="lt"></vulnerable>
UnrealIRCd is an Internet Relay Chat (IRC) daemon.
Multiple vulnerabilities have been reported in UnrealIRCd:
<li>The vendor reported a buffer overflow in the user authorization
code (CVE-2009-4893).</li>
<li>The vendor reported that the distributed source code of UnrealIRCd
was compromised and altered to include a system() call that could be
called with arbitrary user input (CVE-2010-2075).</li>
<impact type="high">
A remote attacker could exploit these vulnerabilities to cause the
execution of arbitrary commands with the privileges of the user running
UnrealIRCd, or a Denial of Service condition. NOTE: By default
UnrealIRCd on Gentoo is run with the privileges of the "unrealircd"
There is no known workaround at this time.
All UnrealIRCd users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=net-irc/unrealircd-;</code>
<uri link="">UnrealIRCd Security Advisory 20090413</uri>
<uri link="">UnrealIRCd Security Advisory 20100612</uri>
<uri link="">CVE-2009-4893</uri>
<uri link="">CVE-2010-2075</uri>
<metadata tag="requester" timestamp="Sat, 12 Jun 2010 21:31:31 +0000">
<metadata tag="submitter" timestamp="Mon, 14 Jun 2010 17:00:57 +0000">
<metadata tag="bugReady" timestamp="Mon, 14 Jun 2010 17:17:46 +0000">