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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200703-12">
<title>SILC Server: Denial of Service</title>
<synopsis>
SILC Server is affected by a Denial of Service vulnerability.
</synopsis>
<product type="ebuild">silc-server</product>
<announced>2007-03-14</announced>
<revised count="01">2007-03-14</revised>
<bug>169599</bug>
<access>remote</access>
<affected>
<package name="net-im/silc-server" auto="yes" arch="*">
<unaffected range="ge">1.0.2-r1</unaffected>
<vulnerable range="lt">1.0.2-r1</vulnerable>
</package>
</affected>
<background>
<p>
SILC Server is a server for the Secure Internet Live Conferencing
(SILC) protocol.
</p>
</background>
<description>
<p>
Frank Benkstein discovered a possible NULL pointer dereference in
apps/silcd/command.c if a new channel is created without specifying a
valid hmac or cipher algorithm name.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could cause the server to crash, resulting in a
Denial of Service.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All SILC Server users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=net-im/silc-server-1.0.2-r1"</code>
</resolution>
<references/>
<metadata tag="requester" timestamp="2007-03-07T14:35:02Z">
DerCorny
</metadata>
<metadata tag="bugReady" timestamp="2007-03-07T14:57:46Z">
vorlon
</metadata>
<metadata tag="submitter" timestamp="2007-03-07T15:20:03Z">
vorlon
</metadata>
</glsa>