blob: b5bbb24ff4dc2990057dbde9691e90972c4cfc5f [file] [log] [blame]
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200410-13">
<title>BNC: Input validation flaw</title>
<synopsis>
BNC contains an input validation flaw which might allow a remote attacker
to issue arbitrary IRC related commands.
</synopsis>
<product type="ebuild">bnc</product>
<announced>October 15, 2004</announced>
<revised>May 22, 2006: 02</revised>
<bug>66912</bug>
<access>remote</access>
<affected>
<package name="net-irc/bnc" auto="yes" arch="*">
<unaffected range="ge">2.8.9</unaffected>
<vulnerable range="lt">2.8.9</vulnerable>
</package>
</affected>
<background>
<p>
BNC is an IRC proxying server
</p>
</background>
<description>
<p>
A flaw exists in the input parsing of BNC where part of the
sbuf_getmsg() function handles the backspace character incorrectly.
</p>
</description>
<impact type="normal">
<p>
A remote user could issue commands using fake authentication
credentials and possibly gain access to scripts running on the client
side.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All BNC users should upgrade to the latest version:
</p>
<code>
# emerge sync
# emerge -pv &quot;&gt;=net-irc/bnc-2.8.9&quot;
# emerge &quot;&gt;=net-irc/bnc-2.8.9&quot;</code>
</resolution>
<references>
<uri link="http://www.gotbnc.com/changes.html#2.8.9">BNC Changes</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1482">CVE-2004-1482</uri>
</references>
<metadata tag="requester" timestamp="Tue, 12 Oct 2004 11:44:17 +0000">
koon
</metadata>
<metadata tag="bugReady" timestamp="Tue, 12 Oct 2004 11:44:35 +0000">
koon
</metadata>
<metadata tag="submitter" timestamp="Wed, 13 Oct 2004 08:51:33 +0000">
vorlon078
</metadata>
</glsa>